CVE-2020-26141

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.19% Top 25%
Vendor Advisory cisco.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu third party advisory vendor advisory
https://www.fragattacks.com third party advisory
https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md third party advisory
http://www.openwall.com/lists/oss-security/2021/05/11/12 third party advisory mailing list
https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf third party advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63 third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-26141?
CVE-2020-26141 has been scored as a medium severity vulnerability.
How to fix CVE-2020-26141?
To fix CVE-2020-26141, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-26141 being actively exploited in the wild?
It is possible that CVE-2020-26141 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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