# What is CVE-2020-26141? > CVE-2020-26141 is a medium-severity flaw (CVSS 6.5) in Awus036h from Alfa, published on 11 May 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 3.1%. If you run an affected version, plan in the vendor’s fix. Canonical page: https://www.precursorintelligence.com/what-is/cve-2020-26141 ## 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:** 35 out of 100 (Low); action: Monitor. Kept up to date as the evidence changes. - **Severity:** Medium (CVSS 6.5 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:** 3.1% (latest exploit-likelihood forecast) - **Published:** 11 May 2021 - **Record last updated:** 22 April 2022 - **Main product:** Awus036h from Alfa - **Affected products:** 190 ## What is CVE-2020-26141? In plain terms An attacker has to be on the same local network without logging in, and nobody has to click anything. If it works, the attacker can change data. ### The official description An issue was discovered in the ALFA Windows 10 driver 6.1316.1209 for AWUS036H. The Wi-Fi implementation does not verify the Message Integrity Check (authenticity) of fragmented TKIP frames. An adversary can abuse this to inject and possibly decrypt packets in WPA or WPA2 networks that support the TKIP data-confidentiality protocol. ### What kind of flaw is it? - CWE-354: Improper Validation of Integrity Check Value ### How an attack on it works - Where an attacker can be: On the same local network - How hard it is to pull off: Easy: no special conditions - Login needed first: No login needed - Does someone have to click: No, nobody has to do anything - What an attacker gets: Can change data Severity vector: `CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N` ## Is CVE-2020-26141 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 3.1%. That can change at any time, which is why we keep watching. Exploit likelihood over the last 7 days: 3.1%, 3.1%, 3.1%, 3.1%, 3.1%, 3.1%, 3.1%. ### Timeline - 11 May 2021: Published - 22 April 2022: Record last updated ### How Precursor Intelligence ranks it CVE-2020-26141 scores **35 out of 100 (Low)**, with the action "Monitor". 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-2020-26141? The published record lists 190 products. 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[6gk5788-2fc00-0ab0](https://www.precursorintelligence.com/product/siemens/6gk5788-2fc00-0ab0) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [6gk5788-2fc00-0ab0 Firmware](https://www.precursorintelligence.com/product/siemens/6gk5788-2fc00-0ab0_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): version not specified - [6gk5788-2fc00-0ac0](https://www.precursorintelligence.com/product/siemens/6gk5788-2fc00-0ac0) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [6gk5788-2fc00-0ac0 Firmware](https://www.precursorintelligence.com/product/siemens/6gk5788-2fc00-0ac0_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): version not specified - [6gk5788-2gd00-0aa0](https://www.precursorintelligence.com/product/siemens/6gk5788-2gd00-0aa0) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [6gk5788-2gd00-0aa0 Firmware](https://www.precursorintelligence.com/product/siemens/6gk5788-2gd00-0aa0_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): version not specified - [6gk5788-2gd00-0ab0](https://www.precursorintelligence.com/product/siemens/6gk5788-2gd00-0ab0) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [6gk5788-2gd00-0ab0 Firmware](https://www.precursorintelligence.com/product/siemens/6gk5788-2gd00-0ab0_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): version not specified - [6gk5788-2gd00-0ta0](https://www.precursorintelligence.com/product/siemens/6gk5788-2gd00-0ta0) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [6gk5788-2gd00-0ta0 Firmware](https://www.precursorintelligence.com/product/siemens/6gk5788-2gd00-0ta0_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): version not specified - [6gk5788-2gd00-0tb0](https://www.precursorintelligence.com/product/siemens/6gk5788-2gd00-0tb0) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [6gk5788-2gd00-0tb0 Firmware](https://www.precursorintelligence.com/product/siemens/6gk5788-2gd00-0tb0_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): version not specified - [6gk5788-2gd00-0tc0](https://www.precursorintelligence.com/product/siemens/6gk5788-2gd00-0tc0) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [6gk5788-2gd00-0tc0 Firmware](https://www.precursorintelligence.com/product/siemens/6gk5788-2gd00-0tc0_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): version not specified - [Awus036h Firmware](https://www.precursorintelligence.com/product/alfa/awus036h_firmware) by [Alfa](https://www.precursorintelligence.com/vendors/alfa) (Operating system): 6.1316.1209 - [IP Conference Phone 8832](https://www.precursorintelligence.com/product/cisco/ip_conference_phone_8832) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [IP Conference Phone 8832 Firmware](https://www.precursorintelligence.com/product/cisco/ip_conference_phone_8832_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 14.1(1) - [IP Phone 6861](https://www.precursorintelligence.com/product/cisco/ip_phone_6861) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [IP Phone 6861 Firmware](https://www.precursorintelligence.com/product/cisco/ip_phone_6861_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 11.3(5) - [IP Phone 8861](https://www.precursorintelligence.com/product/cisco/ip_phone_8861) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [IP Phone 8865](https://www.precursorintelligence.com/product/cisco/ip_phone_8865) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [IP Phone 8865 Firmware](https://www.precursorintelligence.com/product/cisco/ip_phone_8865_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 14.1(1) - [Meraki Gr10](https://www.precursorintelligence.com/product/cisco/meraki_gr10) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Gr10 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_gr10_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Gr60](https://www.precursorintelligence.com/product/cisco/meraki_gr60) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Gr60 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_gr60_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr12](https://www.precursorintelligence.com/product/cisco/meraki_mr12) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr12 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr12_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 26.8.3 - [Meraki Mr18](https://www.precursorintelligence.com/product/cisco/meraki_mr18) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr18 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr18_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 26.8.3 - [Meraki Mr20](https://www.precursorintelligence.com/product/cisco/meraki_mr20) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr20 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr20_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr26](https://www.precursorintelligence.com/product/cisco/meraki_mr26) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr26 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr26_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 26.8.3 - [Meraki Mr30h](https://www.precursorintelligence.com/product/cisco/meraki_mr30h) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr30h Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr30h_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr32](https://www.precursorintelligence.com/product/cisco/meraki_mr32) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr32 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr32_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 26.8.3 - [Meraki Mr33](https://www.precursorintelligence.com/product/cisco/meraki_mr33) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr33 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr33_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr34](https://www.precursorintelligence.com/product/cisco/meraki_mr34) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr34 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr34_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 26.8.3 - [Meraki Mr36](https://www.precursorintelligence.com/product/cisco/meraki_mr36) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr36 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr36_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr42](https://www.precursorintelligence.com/product/cisco/meraki_mr42) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr42 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr42_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr42e](https://www.precursorintelligence.com/product/cisco/meraki_mr42e) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr42e Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr42e_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr44](https://www.precursorintelligence.com/product/cisco/meraki_mr44) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr44 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr44_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr45](https://www.precursorintelligence.com/product/cisco/meraki_mr45) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr45 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr45_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr46](https://www.precursorintelligence.com/product/cisco/meraki_mr46) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr46 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr46_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr46e](https://www.precursorintelligence.com/product/cisco/meraki_mr46e) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr46e Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr46e_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr52](https://www.precursorintelligence.com/product/cisco/meraki_mr52) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr52 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr52_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr53](https://www.precursorintelligence.com/product/cisco/meraki_mr53) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr53 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr53_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr53e](https://www.precursorintelligence.com/product/cisco/meraki_mr53e) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr53e Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr53e_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr55](https://www.precursorintelligence.com/product/cisco/meraki_mr55) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr55 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr55_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr56](https://www.precursorintelligence.com/product/cisco/meraki_mr56) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr56 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr56_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr62](https://www.precursorintelligence.com/product/cisco/meraki_mr62) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr62 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr62_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 26.8.3 - [Meraki Mr66](https://www.precursorintelligence.com/product/cisco/meraki_mr66) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr66 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr66_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 26.8.3 - [Meraki Mr70](https://www.precursorintelligence.com/product/cisco/meraki_mr70) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr70 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr70_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr72](https://www.precursorintelligence.com/product/cisco/meraki_mr72) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr72 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr72_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 26.8.3 - [Meraki Mr74](https://www.precursorintelligence.com/product/cisco/meraki_mr74) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr74 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr74_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr76](https://www.precursorintelligence.com/product/cisco/meraki_mr76) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr76 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr76_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr84](https://www.precursorintelligence.com/product/cisco/meraki_mr84) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr84 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr84_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mr86](https://www.precursorintelligence.com/product/cisco/meraki_mr86) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mr86 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mr86_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 27.7.1 - [Meraki Mx64w](https://www.precursorintelligence.com/product/cisco/meraki_mx64w) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mx64w Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mx64w_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 17.0 - [Meraki Mx65w](https://www.precursorintelligence.com/product/cisco/meraki_mx65w) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mx65w Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mx65w_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 17.0 - [Meraki Mx67cw](https://www.precursorintelligence.com/product/cisco/meraki_mx67cw) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mx67cw Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mx67cw_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 17.0 - [Meraki Mx67w](https://www.precursorintelligence.com/product/cisco/meraki_mx67w) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mx67w Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mx67w_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 17.0 - [Meraki Mx68cw](https://www.precursorintelligence.com/product/cisco/meraki_mx68cw) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mx68cw Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mx68cw_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 17.0 - [Meraki Mx68w](https://www.precursorintelligence.com/product/cisco/meraki_mx68w) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Mx68w Firmware](https://www.precursorintelligence.com/product/cisco/meraki_mx68w_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 17.0 - [Meraki Z3](https://www.precursorintelligence.com/product/cisco/meraki_z3) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Z3 Firmware](https://www.precursorintelligence.com/product/cisco/meraki_z3_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 17.0 - [Meraki Z3c](https://www.precursorintelligence.com/product/cisco/meraki_z3c) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Meraki Z3c Firmware](https://www.precursorintelligence.com/product/cisco/meraki_z3c_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 17.0 - [Webex Board Series](https://www.precursorintelligence.com/product/cisco/webex_board_series) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Webex Board Series Firmware](https://www.precursorintelligence.com/product/cisco/webex_board_series_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 10.8.2.5 - [Webex Desk Series](https://www.precursorintelligence.com/product/cisco/webex_desk_series) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Webex Desk Series Firmware](https://www.precursorintelligence.com/product/cisco/webex_desk_series_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 1.2(0)sr1 - [Webex Room Series](https://www.precursorintelligence.com/product/cisco/webex_room_series) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Webex Room Series Firmware](https://www.precursorintelligence.com/product/cisco/webex_room_series_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 1.2(0)sr1 - [Webex Wireless Phone 840](https://www.precursorintelligence.com/product/cisco/webex_wireless_phone_840) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Webex Wireless Phone 840 Firmware](https://www.precursorintelligence.com/product/cisco/webex_wireless_phone_840_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 1.4(0) - [Webex Wireless Phone 860](https://www.precursorintelligence.com/product/cisco/webex_wireless_phone_860) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Webex Wireless Phone 860 Firmware](https://www.precursorintelligence.com/product/cisco/webex_wireless_phone_860_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 1.4(0) - [Wireless IP Phone 8821](https://www.precursorintelligence.com/product/cisco/wireless_ip_phone_8821) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Wireless IP Phone 8821 Firmware](https://www.precursorintelligence.com/product/cisco/wireless_ip_phone_8821_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): before 11.0(6)sr2 ## How do I fix CVE-2020-26141? 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 latest update from the vendor. The references list where the vendor has published details. 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 - [openwall.com](http://www.openwall.com/lists/oss-security/2021/05/11/12) (Mailing list, Third-party advisory) - [cert-portal.siemens.com](https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf) (Third-party advisory) - [github.com](https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md) (Third-party advisory) - [tools.cisco.com](https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu) (Third-party advisory) - [arista.com](https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63) (Third-party advisory) - [fragattacks.com](https://www.fragattacks.com) (Third-party advisory) ## Questions ### What is CVE-2020-26141? CVE-2020-26141 is a medium-severity flaw in Awus036h from Alfa, published on 11 May 2021. An attacker has to be on the same local network without logging in, and nobody has to click anything. If it works, the attacker can change data. ### How serious is CVE-2020-26141? It scores 6.5 out of 10 on the CVSS severity scale, which is medium. Our risk score for CVE-2020-26141 is 35 out of 100, which is Low. Its action is "Monitor". No sign of exploitation and a low forecast. Patch it in your normal update cycle. ### Is CVE-2020-26141 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 3.1%. That can change at any time, which is why we keep watching. ### Which versions does CVE-2020-26141 affect? For Awus036h from Alfa: version not specified. The record lists 190 products in all, each with its versions, under "Who is affected" on this page. ### How do I fix CVE-2020-26141? Install the update the vendor names in its advisory. If you can't patch today, follow the vendor's mitigation and limit who can reach the affected system from the internet. ## Does CVE-2020-26141 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