# What is CVE-2022-1892? > CVE-2022-1892 is a high-severity flaw (CVSS 7.8) in 100e 2nd Gen Firmware from Lenovo, published on 26 January 2023. It is not on the list of flaws known to be exploited today. The latest forecast puts its chance of use in the next 30 days at 0.3%. If you run an affected version, plan in the vendor’s fix. Canonical page: https://www.precursorintelligence.com/what-is/cve-2022-1892 ## At a glance - **Verdict:** Plan it in. No sign of exploitation and a low forecast. Patch it in your normal update cycle. - **Precursor Intelligence risk score:** 48 out of 100 (Medium); action: Plan remediation. Kept up to date as the evidence changes. - **Severity:** High (CVSS 7.8 out of 10) - **Known to be exploited:** No, not on the list of flaws known to be exploited today - **Chance of use in the next 30 days:** 0.3% (latest exploit-likelihood forecast) - **Published:** 26 January 2023 - **Record last updated:** 3 February 2023 - **Main product:** 100e 2nd Gen Firmware from Lenovo - **Affected products:** 140 ## What is CVE-2022-1892? In plain terms An attacker has to be already on the device with an ordinary user account, and nobody has to click anything. If it works, the attacker can read data, change data and take it offline. ### The official description A buffer overflow in the SystemBootManagerDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code. ### What kind of flaw is it? - CWE-122: Heap-based Buffer Overflow - CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') ### How an attack on it works - Where an attacker can be: Already on the device - How hard it is to pull off: Easy: no special conditions - Login needed first: An ordinary user account - Does someone have to click: No, nobody has to do anything - What an attacker gets: Can read data, change data and take it offline Severity vector: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H` ## Is CVE-2022-1892 being exploited? Not that we know of It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 0.3%. That can change at any time, which is why we keep watching. Exploit likelihood over the last 7 days: 0.3%, 0.3%, 0.3%, 0.3%, 0.3%, 0.3%, 0.3%. ### Timeline - 26 January 2023: Published - 3 February 2023: Record last updated ### How Precursor Intelligence ranks it CVE-2022-1892 scores **48 out of 100 (Medium)**, with the action "Plan remediation". Every published flaw gets a risk score from 0 to 100, kept up to date as the evidence changes. Four things go into the score, from the one that counts most to the ones that count less: - Evidence it is being exploited: biggest factor - How severe it is: strong factor - How widely exposed it is: smaller factor - Threat activity around it: smaller factor 85 and above is Critical. Anything confirmed as exploited is always marked for an emergency patch, whatever its score. When this flaw matches software you track, it lands in your list with its score and the reasons behind it. ## Who is affected by CVE-2022-1892? The published record lists 140 products. Versions are as published: "before frcn23ww" means every version up to, but not including, frcn23ww. - [100e 2nd Gen Firmware](https://www.precursorintelligence.com/product/lenovo/100e_2nd_gen_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before frcn23ww - [100e 2nd Gen](https://www.precursorintelligence.com/product/lenovo/100e_2nd_gen) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [100w Gen 3](https://www.precursorintelligence.com/product/lenovo/100w_gen_3) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [100w Gen 3 Firmware](https://www.precursorintelligence.com/product/lenovo/100w_gen_3_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before gacn38ww - [13w Yoga](https://www.precursorintelligence.com/product/lenovo/13w_yoga) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [13w Yoga Firmware](https://www.precursorintelligence.com/product/lenovo/13w_yoga_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before jacn31ww - [14w Gen 2](https://www.precursorintelligence.com/product/lenovo/14w_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [14w Gen 2 Firmware](https://www.precursorintelligence.com/product/lenovo/14w_gen_2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before h0cn21ww - [300e 2nd Gen](https://www.precursorintelligence.com/product/lenovo/300e_2nd_gen) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [300e 2nd Gen Firmware](https://www.precursorintelligence.com/product/lenovo/300e_2nd_gen_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before frcn23ww - [300w Gen 3](https://www.precursorintelligence.com/product/lenovo/300w_gen_3) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [300w Gen 3 Firmware](https://www.precursorintelligence.com/product/lenovo/300w_gen_3_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before gacn38ww - [500w Gen 3](https://www.precursorintelligence.com/product/lenovo/500w_gen_3) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [500w Gen 3 Firmware](https://www.precursorintelligence.com/product/lenovo/500w_gen_3_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before g6cn40ww - [730s-13iml](https://www.precursorintelligence.com/product/lenovo/730s-13iml) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [730s-13iml Firmware](https://www.precursorintelligence.com/product/lenovo/730s-13iml_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before brcn20ww - [Flex 3-11ada05](https://www.precursorintelligence.com/product/lenovo/flex_3-11ada05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Flex 3-11ada05 Firmware](https://www.precursorintelligence.com/product/lenovo/flex_3-11ada05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before fpcn26ww - [Flex 5-14alc05](https://www.precursorintelligence.com/product/lenovo/flex_5-14alc05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Flex 5-14alc05 Firmware](https://www.precursorintelligence.com/product/lenovo/flex_5-14alc05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before gjcn27ww - [Flex 5-14are05](https://www.precursorintelligence.com/product/lenovo/flex_5-14are05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Flex 5-14are05 Firmware](https://www.precursorintelligence.com/product/lenovo/flex_5-14are05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before eecn39ww - [Flex 5-14iil05](https://www.precursorintelligence.com/product/lenovo/flex_5-14iil05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Flex 5-14iil05 Firmware](https://www.precursorintelligence.com/product/lenovo/flex_5-14iil05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before eecn40ww - [Flex 5-14itl05](https://www.precursorintelligence.com/product/lenovo/flex_5-14itl05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Flex 5-14itl05 Firmware](https://www.precursorintelligence.com/product/lenovo/flex_5-14itl05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before fxcn38ww - [Flex 5-15alc05](https://www.precursorintelligence.com/product/lenovo/flex_5-15alc05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Flex 5-15alc05 Firmware](https://www.precursorintelligence.com/product/lenovo/flex_5-15alc05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before gjcn27ww - [Flex 5-15iil05](https://www.precursorintelligence.com/product/lenovo/flex_5-15iil05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Flex 5-15iil05 Firmware](https://www.precursorintelligence.com/product/lenovo/flex_5-15iil05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before eccn40ww - [Flex 5-15itl05](https://www.precursorintelligence.com/product/lenovo/flex_5-15itl05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Flex 5-15itl05 Firmware](https://www.precursorintelligence.com/product/lenovo/flex_5-15itl05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before fxcn38ww - [Ideapad 1-11ada05](https://www.precursorintelligence.com/product/lenovo/ideapad_1-11ada05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad 1-11ada05 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_1-11ada05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before fqcn26ww - [Ideapad 1-11igl05](https://www.precursorintelligence.com/product/lenovo/ideapad_1-11igl05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad 1-11igl05 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_1-11igl05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before dwcn24ww - [Ideapad 1-14ada05](https://www.precursorintelligence.com/product/lenovo/ideapad_1-14ada05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad 1-14ada05 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_1-14ada05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before fqcn26ww - [Ideapad 1-14igl05](https://www.precursorintelligence.com/product/lenovo/ideapad_1-14igl05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad 1-14igl05 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_1-14igl05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before dwcn24ww - [Ideapad 3-14ada05](https://www.precursorintelligence.com/product/lenovo/ideapad_3-14ada05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad 3-14ada05 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_3-14ada05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before e8cn36ww - [Ideapad 3-14ada6](https://www.precursorintelligence.com/product/lenovo/ideapad_3-14ada6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad 3-14ada6 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_3-14ada6_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before hbcn24ww - [Ideapad 3-14alc6](https://www.precursorintelligence.com/product/lenovo/ideapad_3-14alc6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad 3-14alc6 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_3-14alc6_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before glcn48ww - [Ideapad 3-15ada05](https://www.precursorintelligence.com/product/lenovo/ideapad_3-15ada05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad 3-15ada05 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_3-15ada05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before e8cn36ww - [Ideapad 3-15ada6](https://www.precursorintelligence.com/product/lenovo/ideapad_3-15ada6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad 3-15ada6 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_3-15ada6_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before hbcn24ww - [Ideapad 3-15alc6](https://www.precursorintelligence.com/product/lenovo/ideapad_3-15alc6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad 3-15alc6 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_3-15alc6_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before glcn48ww - [Ideapad 3-17ada05](https://www.precursorintelligence.com/product/lenovo/ideapad_3-17ada05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad 3-17ada05 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_3-17ada05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before hbcn24ww - [Ideapad 3-17ada6](https://www.precursorintelligence.com/product/lenovo/ideapad_3-17ada6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad 3-17ada6 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_3-17ada6_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before glcn48ww - [Ideapad 3-17alc6](https://www.precursorintelligence.com/product/lenovo/ideapad_3-17alc6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad 3-17alc6 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_3-17alc6_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before e8cn36ww - [Ideapad 5 15aba7](https://www.precursorintelligence.com/product/lenovo/ideapad_5_15aba7) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad 5 15aba7 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_5_15aba7_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before kacn14ww - [Ideapad 5-15alc05](https://www.precursorintelligence.com/product/lenovo/ideapad_5-15alc05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad 5-15alc05 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_5-15alc05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before h2cn27ww - [Ideapad Flex 5 14alc7](https://www.precursorintelligence.com/product/lenovo/ideapad_flex_5_14alc7) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad Flex 5 14alc7 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_flex_5_14alc7_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before jccn29ww - [Ideapad Flex 5 16alc7](https://www.precursorintelligence.com/product/lenovo/ideapad_flex_5_16alc7) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad Flex 5 16alc7 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_flex_5_16alc7_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before jccn29ww - [Ideapad S940-14iil](https://www.precursorintelligence.com/product/lenovo/ideapad_s940-14iil) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad S940-14iil Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_s940-14iil_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before bqcn34ww - [Ideapad Slim 1-11ast-05](https://www.precursorintelligence.com/product/lenovo/ideapad_slim_1-11ast-05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad Slim 1-11ast-05 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_slim_1-11ast-05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before cwcn25ww - [Ideapad Slim 1-14ast-05](https://www.precursorintelligence.com/product/lenovo/ideapad_slim_1-14ast-05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Ideapad Slim 1-14ast-05 Firmware](https://www.precursorintelligence.com/product/lenovo/ideapad_slim_1-14ast-05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before cwcn25ww - [Legion S7-15ach6](https://www.precursorintelligence.com/product/lenovo/legion_s7-15ach6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Legion S7-15ach6 Firmware](https://www.precursorintelligence.com/product/lenovo/legion_s7-15ach6_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before g1cn27ww - [Legion S7-15arh5](https://www.precursorintelligence.com/product/lenovo/legion_s7-15arh5) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Legion S7-15arh5 Firmware](https://www.precursorintelligence.com/product/lenovo/legion_s7-15arh5_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before fdcn40ww - [Legion S7-15imh5](https://www.precursorintelligence.com/product/lenovo/legion_s7-15imh5) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Legion S7-15imh5 Firmware](https://www.precursorintelligence.com/product/lenovo/legion_s7-15imh5_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before hacn37ww - [S145-14api](https://www.precursorintelligence.com/product/lenovo/s145-14api) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [S145-14api Firmware](https://www.precursorintelligence.com/product/lenovo/s145-14api_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before bucn33ww - [S145-14ast](https://www.precursorintelligence.com/product/lenovo/s145-14ast) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [S145-14ast Firmware](https://www.precursorintelligence.com/product/lenovo/s145-14ast_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before aycn28ww - [S145-15api](https://www.precursorintelligence.com/product/lenovo/s145-15api) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [S145-15api Firmware](https://www.precursorintelligence.com/product/lenovo/s145-15api_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before bucn33ww - [S145-15ast](https://www.precursorintelligence.com/product/lenovo/s145-15ast) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [S145-15ast Firmware](https://www.precursorintelligence.com/product/lenovo/s145-15ast_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before aycn28ww - [S540-13api](https://www.precursorintelligence.com/product/lenovo/s540-13api) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [S540-13api Firmware](https://www.precursorintelligence.com/product/lenovo/s540-13api_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before cxcn36ww - [Thinkbook 13s G2 Are](https://www.precursorintelligence.com/product/lenovo/thinkbook_13s_g2_are) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkbook 13s G2 Are Firmware](https://www.precursorintelligence.com/product/lenovo/thinkbook_13s_g2_are_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before fvcn24ww - [Thinkbook 13s G2 Itl](https://www.precursorintelligence.com/product/lenovo/thinkbook_13s_g2_itl) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkbook 13s G2 Itl Firmware](https://www.precursorintelligence.com/product/lenovo/thinkbook_13s_g2_itl_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before f9cn50ww - [Thinkbook 13s G3 Acn](https://www.precursorintelligence.com/product/lenovo/thinkbook_13s_g3_acn) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkbook 13s G3 Acn Firmware](https://www.precursorintelligence.com/product/lenovo/thinkbook_13s_g3_acn_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before gmcn29ww - [Thinkbook 13s-Iml](https://www.precursorintelligence.com/product/lenovo/thinkbook_13s-iml) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkbook 13s-Iml Firmware](https://www.precursorintelligence.com/product/lenovo/thinkbook_13s-iml_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before cqcn37ww - [Thinkbook 14-Iil](https://www.precursorintelligence.com/product/lenovo/thinkbook_14-iil) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkbook 14-Iil Firmware](https://www.precursorintelligence.com/product/lenovo/thinkbook_14-iil_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before djcn28ww - [Thinkbook 14-Iml](https://www.precursorintelligence.com/product/lenovo/thinkbook_14-iml) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkbook 14-Iml Firmware](https://www.precursorintelligence.com/product/lenovo/thinkbook_14-iml_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before cjcn38ww - [Thinkbook 14p G2 Ach](https://www.precursorintelligence.com/product/lenovo/thinkbook_14p_g2_ach) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkbook 14p G2 Ach Firmware](https://www.precursorintelligence.com/product/lenovo/thinkbook_14p_g2_ach_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before gwcn41ww - [Thinkbook 14s G2 Itl](https://www.precursorintelligence.com/product/lenovo/thinkbook_14s_g2_itl) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkbook 14s G2 Itl Firmware](https://www.precursorintelligence.com/product/lenovo/thinkbook_14s_g2_itl_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before f9cn50ww - [Thinkbook 14s-Iml](https://www.precursorintelligence.com/product/lenovo/thinkbook_14s-iml) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkbook 14s-Iml Firmware](https://www.precursorintelligence.com/product/lenovo/thinkbook_14s-iml_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before cqcn37ww - [Thinkbook 15-Iil](https://www.precursorintelligence.com/product/lenovo/thinkbook_15-iil) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkbook 15-Iil Firmware](https://www.precursorintelligence.com/product/lenovo/thinkbook_15-iil_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before djcn28ww - [Thinkbook 15-Iml](https://www.precursorintelligence.com/product/lenovo/thinkbook_15-iml) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkbook 15-Iml Firmware](https://www.precursorintelligence.com/product/lenovo/thinkbook_15-iml_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before cjcn38ww - [Thinkbook 16p G2 Ach](https://www.precursorintelligence.com/product/lenovo/thinkbook_16p_g2_ach) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkbook 16p G2 Ach Firmware](https://www.precursorintelligence.com/product/lenovo/thinkbook_16p_g2_ach_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before gxcn42ww - [V130-15ikb](https://www.precursorintelligence.com/product/lenovo/v130-15ikb) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [V130-15ikb Firmware](https://www.precursorintelligence.com/product/lenovo/v130-15ikb_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 8vcn31ww - [V14 G2-Alc](https://www.precursorintelligence.com/product/lenovo/v14_g2-alc) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [V14 G2-Alc Firmware](https://www.precursorintelligence.com/product/lenovo/v14_g2-alc_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before glcn48ww - [V14-Ada](https://www.precursorintelligence.com/product/lenovo/v14-ada) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [V14-Ada Firmware](https://www.precursorintelligence.com/product/lenovo/v14-ada_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before e8cn36ww - [V15 G2-Alc](https://www.precursorintelligence.com/product/lenovo/v15_g2-alc) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [V15 G2-Alc Firmware](https://www.precursorintelligence.com/product/lenovo/v15_g2-alc_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before glcn48ww - [V15-Ada](https://www.precursorintelligence.com/product/lenovo/v15-ada) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [V15-Ada Firmware](https://www.precursorintelligence.com/product/lenovo/v15-ada_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before e8cn36ww - [Yoga 9-15imh5](https://www.precursorintelligence.com/product/lenovo/yoga_9-15imh5) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Yoga 9-15imh5 Firmware](https://www.precursorintelligence.com/product/lenovo/yoga_9-15imh5_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before epcn28ww - [Yoga C640-13iml](https://www.precursorintelligence.com/product/lenovo/yoga_c640-13iml) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Yoga C640-13iml Firmware](https://www.precursorintelligence.com/product/lenovo/yoga_c640-13iml_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before chcn28ww - [Yoga C640-13iml Lte](https://www.precursorintelligence.com/product/lenovo/yoga_c640-13iml_lte) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Yoga C640-13iml Lte Firmware](https://www.precursorintelligence.com/product/lenovo/yoga_c640-13iml_lte_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before chcn28ww - [Yoga C940-15irh](https://www.precursorintelligence.com/product/lenovo/yoga_c940-15irh) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Yoga C940-15irh Firmware](https://www.precursorintelligence.com/product/lenovo/yoga_c940-15irh_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before bscn37ww - [Yoga S730-13iml](https://www.precursorintelligence.com/product/lenovo/yoga_s730-13iml) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Yoga S730-13iml Firmware](https://www.precursorintelligence.com/product/lenovo/yoga_s730-13iml_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before brcn20ww - [Yoga S940-14iil](https://www.precursorintelligence.com/product/lenovo/yoga_s940-14iil) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Yoga S940-14iil Firmware](https://www.precursorintelligence.com/product/lenovo/yoga_s940-14iil_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before bqcn34ww - [Yoga Slim 7 Pro-14ach5](https://www.precursorintelligence.com/product/lenovo/yoga_slim_7_pro-14ach5) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Yoga Slim 7 Pro-14ach5 Firmware](https://www.precursorintelligence.com/product/lenovo/yoga_slim_7_pro-14ach5_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before gzcn29ww - [Yoga Slim 7 Pro-14ach5 O](https://www.precursorintelligence.com/product/lenovo/yoga_slim_7_pro-14ach5_o) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Yoga Slim 7 Pro-14ach5 O Firmware](https://www.precursorintelligence.com/product/lenovo/yoga_slim_7_pro-14ach5_o_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before gzcn29ww - [Yoga Slim 7 Pro-14arh5](https://www.precursorintelligence.com/product/lenovo/yoga_slim_7_pro-14arh5) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Yoga Slim 7 Pro-14arh5 Firmware](https://www.precursorintelligence.com/product/lenovo/yoga_slim_7_pro-14arh5_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before gzcn24ww ## How do I fix CVE-2022-1892? 1. **Check whether you run it.** Compare your versions with the affected products above. Not sure what you run? Precursor Intelligence can work it out from your public website, or you can pick it from a list. 2. **Apply the vendor’s fix.** Install the update named in the vendor’s advisory. We’ve put the advisory first in the list. 3. **If you can’t patch today.** Follow any mitigation the vendor publishes, and limit who can reach the affected system from the internet until the update is in. 4. **Keep an eye on it.** Track the product and we tell you as soon as we spot this flaw on the list of exploited flaws, or a jump in its exploit likelihood. ### References - [support.lenovo.com](https://support.lenovo.com/us/en/product_security/LEN-91369) (Vendor advisory) ## Questions ### What is CVE-2022-1892? CVE-2022-1892 is a high-severity flaw in 100e 2nd Gen Firmware from Lenovo, published on 26 January 2023. An attacker has to be already on the device with an ordinary user account, and nobody has to click anything. If it works, the attacker can read data, change data and take it offline. ### How serious is CVE-2022-1892? It scores 7.8 out of 10 on the CVSS severity scale, which is high. Our risk score for CVE-2022-1892 is 48 out of 100, which is Medium. Its action is "Plan remediation". No sign of exploitation and a low forecast. Patch it in your normal update cycle. ### Is CVE-2022-1892 being exploited? It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 0.3%. That can change at any time, which is why we keep watching. ### Which versions does CVE-2022-1892 affect? For 100e 2nd Gen Firmware from Lenovo: before frcn23ww. The record lists 140 products in all, each with its versions, under "Who is affected" on this page. ### How do I fix CVE-2022-1892? Install the update the vendor names in its advisory, linked first under "How do I fix" on this page. If you can't patch today, follow the vendor's mitigation and limit who can reach the affected system from the internet. ## Does CVE-2022-1892 affect you? Precursor Intelligence keeps checking for you: - **Tell us what you run.** Pick your software from a list, or let us work it out from your website. - **We match it to every flaw.** Over 400,000 published flaws, checked against your list. - **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it. - **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools. Start free (no card, nothing to install): https://www.precursorintelligence.com/register Book a demo: https://www.precursorintelligence.com/contact