CVE-2020-26141

6.5 MEDIUM
Published: May 11, 2021 Modified: April 14, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/05/11/12
Source: cve@mitre.org
Mailing List Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf
Source: cve@mitre.org
Third Party Advisory
https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md
Source: cve@mitre.org
Third Party Advisory
https://www.fragattacks.com
Source: cve@mitre.org
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/05/11/12
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.fragattacks.com
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://cert-portal.siemens.com/productcert/html/ssa-019200.html
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-913875.html
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e

14 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.5 / 10.0
EPSS (Exploit Probability)
0.2%
47th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

cisco alfa siemens