# What is CVE-2021-3462? > CVE-2021-3462 is a high-severity flaw (CVSS 7.8) in Power Management Driver from Lenovo, published on 13 April 2021. 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 0.2%. If you run an affected version, plan in the vendor’s fix. Canonical page: https://www.precursorintelligence.com/what-is/cve-2021-3462 ## 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:** 46 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:** 0.2% (latest exploit-likelihood forecast) - **Published:** 13 April 2021 - **Record last updated:** 27 October 2022 - **Main product:** Power Management Driver from Lenovo - **Affected products:** 125 ## What is CVE-2021-3462? 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 privilege escalation vulnerability in Lenovo Power Management Driver for Windows 10, prior to version 1.67.17.54, that could allow unauthorized access to the driver's device object. ### What kind of flaw is it? - CWE-276: Incorrect Default Permissions ### 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-2021-3462 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 0.2%. That can change at any time, which is why we keep watching. Exploit likelihood over the last 7 days: 0.2%, 0.2%, 0.2%, 0.2%, 0.2%, 0.2%, 0.2%. ### Timeline - 13 April 2021: Published - 27 October 2022: Record last updated ### How Precursor Intelligence ranks it CVE-2021-3462 scores **46 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-2021-3462? The published record lists 125 products. Versions are as published: "before 1.67.17.54" means every version up to, but not including, 1.67.17.54. - [Power Management Driver](https://www.precursorintelligence.com/product/lenovo/power_management_driver) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Application): before 1.67.17.54 - [Thinkpad 11e Gen 5](https://www.precursorintelligence.com/product/lenovo/thinkpad_11e_gen_5) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad 11e Yoga Gen 6](https://www.precursorintelligence.com/product/lenovo/thinkpad_11e_yoga_gen_6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad 13 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_13_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad 25](https://www.precursorintelligence.com/product/lenovo/thinkpad_25) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad A275](https://www.precursorintelligence.com/product/lenovo/thinkpad_a275) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad A285](https://www.precursorintelligence.com/product/lenovo/thinkpad_a285) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad A475](https://www.precursorintelligence.com/product/lenovo/thinkpad_a475) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad A485](https://www.precursorintelligence.com/product/lenovo/thinkpad_a485) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad E14](https://www.precursorintelligence.com/product/lenovo/thinkpad_e14) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad E14 Gen2](https://www.precursorintelligence.com/product/lenovo/thinkpad_e14_gen2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad E15](https://www.precursorintelligence.com/product/lenovo/thinkpad_e15) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad E15 Gen2](https://www.precursorintelligence.com/product/lenovo/thinkpad_e15_gen2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad E470](https://www.precursorintelligence.com/product/lenovo/thinkpad_e470) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad E470c](https://www.precursorintelligence.com/product/lenovo/thinkpad_e470c) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad E475](https://www.precursorintelligence.com/product/lenovo/thinkpad_e475) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad E480](https://www.precursorintelligence.com/product/lenovo/thinkpad_e480) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad E490](https://www.precursorintelligence.com/product/lenovo/thinkpad_e490) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad E495](https://www.precursorintelligence.com/product/lenovo/thinkpad_e495) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad E570](https://www.precursorintelligence.com/product/lenovo/thinkpad_e570) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad E570c](https://www.precursorintelligence.com/product/lenovo/thinkpad_e570c) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad E575](https://www.precursorintelligence.com/product/lenovo/thinkpad_e575) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad E580](https://www.precursorintelligence.com/product/lenovo/thinkpad_e580) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad E590](https://www.precursorintelligence.com/product/lenovo/thinkpad_e590) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad E595](https://www.precursorintelligence.com/product/lenovo/thinkpad_e595) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L13](https://www.precursorintelligence.com/product/lenovo/thinkpad_l13) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L13 Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_l13_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L13 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_l13_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L13 Yoga](https://www.precursorintelligence.com/product/lenovo/thinkpad_l13_yoga) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L13 Yoga Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_l13_yoga_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L13 Yoga Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_l13_yoga_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L14 Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_l14_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L14 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_l14_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L15 Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_l15_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L15 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_l15_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L380](https://www.precursorintelligence.com/product/lenovo/thinkpad_l380) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L380 Yoga](https://www.precursorintelligence.com/product/lenovo/thinkpad_l380_yoga) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L390](https://www.precursorintelligence.com/product/lenovo/thinkpad_l390) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L390 Yoga](https://www.precursorintelligence.com/product/lenovo/thinkpad_l390_yoga) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L470](https://www.precursorintelligence.com/product/lenovo/thinkpad_l470) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L480](https://www.precursorintelligence.com/product/lenovo/thinkpad_l480) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L490](https://www.precursorintelligence.com/product/lenovo/thinkpad_l490) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L570](https://www.precursorintelligence.com/product/lenovo/thinkpad_l570) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L580](https://www.precursorintelligence.com/product/lenovo/thinkpad_l580) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad L590](https://www.precursorintelligence.com/product/lenovo/thinkpad_l590) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P1](https://www.precursorintelligence.com/product/lenovo/thinkpad_p1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P1 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_p1_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P1 Gen 3](https://www.precursorintelligence.com/product/lenovo/thinkpad_p1_gen_3) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P14s Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_p14s_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P14s Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_p14s_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P15 Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_p15_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P15s Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_p15s_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P15s Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_p15s_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P15v Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_p15v_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P17 Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_p17_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P43s](https://www.precursorintelligence.com/product/lenovo/thinkpad_p43s) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P51](https://www.precursorintelligence.com/product/lenovo/thinkpad_p51) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P51s](https://www.precursorintelligence.com/product/lenovo/thinkpad_p51s) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P52](https://www.precursorintelligence.com/product/lenovo/thinkpad_p52) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P52s](https://www.precursorintelligence.com/product/lenovo/thinkpad_p52s) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P53](https://www.precursorintelligence.com/product/lenovo/thinkpad_p53) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P53s](https://www.precursorintelligence.com/product/lenovo/thinkpad_p53s) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P71](https://www.precursorintelligence.com/product/lenovo/thinkpad_p71) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P72](https://www.precursorintelligence.com/product/lenovo/thinkpad_p72) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad P73](https://www.precursorintelligence.com/product/lenovo/thinkpad_p73) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad R14](https://www.precursorintelligence.com/product/lenovo/thinkpad_r14) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad R14 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_r14_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad R480](https://www.precursorintelligence.com/product/lenovo/thinkpad_r480) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad S1 Gen 4](https://www.precursorintelligence.com/product/lenovo/thinkpad_s1_gen_4) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad S2 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_s2_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad S2 Gen 5](https://www.precursorintelligence.com/product/lenovo/thinkpad_s2_gen_5) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad S2 Gen 6](https://www.precursorintelligence.com/product/lenovo/thinkpad_s2_gen_6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad S2 Yoga Gen 5](https://www.precursorintelligence.com/product/lenovo/thinkpad_s2_yoga_gen_5) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad S2 Yoga Gen 6](https://www.precursorintelligence.com/product/lenovo/thinkpad_s2_yoga_gen_6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad S3 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_s3_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad S5 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_s5_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T14 Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_t14_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T14 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_t14_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T14s Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_t14s_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T14s Gen 2i](https://www.precursorintelligence.com/product/lenovo/thinkpad_t14s_gen_2i) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T15 Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_t15_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T15 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_t15_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T15g Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_t15g_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T15p Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_t15p_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T470](https://www.precursorintelligence.com/product/lenovo/thinkpad_t470) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T470p](https://www.precursorintelligence.com/product/lenovo/thinkpad_t470p) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T470s](https://www.precursorintelligence.com/product/lenovo/thinkpad_t470s) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T480](https://www.precursorintelligence.com/product/lenovo/thinkpad_t480) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T480s](https://www.precursorintelligence.com/product/lenovo/thinkpad_t480s) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T490](https://www.precursorintelligence.com/product/lenovo/thinkpad_t490) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T490s](https://www.precursorintelligence.com/product/lenovo/thinkpad_t490s) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T495](https://www.precursorintelligence.com/product/lenovo/thinkpad_t495) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T570](https://www.precursorintelligence.com/product/lenovo/thinkpad_t570) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T580](https://www.precursorintelligence.com/product/lenovo/thinkpad_t580) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad T590](https://www.precursorintelligence.com/product/lenovo/thinkpad_t590) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X1 Carbon Gen 5](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_carbon_gen_5) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X1 Carbon Gen 6](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_carbon_gen_6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X1 Carbon Gen 7](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_carbon_gen_7) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X1 Carbon Gen 8](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_carbon_gen_8) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X1 Carbon Gen 9](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_carbon_gen_9) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X1 Extreme](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_extreme) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X1 Extreme 2nd](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_extreme_2nd) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X1 Extreme Gen 3](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_extreme_gen_3) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X1 Nano Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_nano_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X1 Tablet Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_tablet_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X1 Tablet Gen 3](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_tablet_gen_3) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X1 Titanium Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_titanium_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X1 Yoga Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_yoga_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X1 Yoga Gen 3](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_yoga_gen_3) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X1 Yoga Gen 4](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_yoga_gen_4) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X1 Yoga Gen 5](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_yoga_gen_5) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X1 Yoga Gen 6](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_yoga_gen_6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X12](https://www.precursorintelligence.com/product/lenovo/thinkpad_x12) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X13 Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_x13_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X13 Gen 2i](https://www.precursorintelligence.com/product/lenovo/thinkpad_x13_gen_2i) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X13 Yoga Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_x13_yoga_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X13 Yoga Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_x13_yoga_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X270](https://www.precursorintelligence.com/product/lenovo/thinkpad_x270) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X280](https://www.precursorintelligence.com/product/lenovo/thinkpad_x280) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X380 Yoga](https://www.precursorintelligence.com/product/lenovo/thinkpad_x380_yoga) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X390](https://www.precursorintelligence.com/product/lenovo/thinkpad_x390) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X390 Yoga](https://www.precursorintelligence.com/product/lenovo/thinkpad_x390_yoga) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad X395](https://www.precursorintelligence.com/product/lenovo/thinkpad_x395) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad Yoga 11e Gen 5](https://www.precursorintelligence.com/product/lenovo/thinkpad_yoga_11e_gen_5) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified - [Thinkpad Yoga 370](https://www.precursorintelligence.com/product/lenovo/thinkpad_yoga_370) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified ## How do I fix CVE-2021-3462? 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-59174) (Vendor advisory) ## Questions ### What is CVE-2021-3462? CVE-2021-3462 is a high-severity flaw in Power Management Driver from Lenovo, published on 13 April 2021. 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-2021-3462? It scores 7.8 out of 10 on the CVSS severity scale, which is high. Our risk score for CVE-2021-3462 is 46 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-2021-3462 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 0.2%. That can change at any time, which is why we keep watching. ### Which versions does CVE-2021-3462 affect? For Power Management Driver from Lenovo: before 1.67.17.54. The record lists 125 products in all, each with its versions, under "Who is affected" on this page. ### How do I fix CVE-2021-3462? 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-2021-3462 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