CVE-2020-26141

medium

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.

References

https://www.fragattacks.com

https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md

http://www.openwall.com/lists/oss-security/2021/05/11/12

https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu

https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63

Details

Source: MITRE

Published: 2021-05-11

Updated: 2022-04-22

Type: CWE-354

Risk Information

CVSS v2

Base Score: 3.3

Vector: AV:A/AC:L/Au:N/C:N/I:P/A:N

Impact Score: 2.9

Exploitability Score: 6.5

Severity: LOW

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM