CVE-2020-26143

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 1030.36.604 for AWUS036ACH. The WEP, WPA, WPA2, and WPA3 implementations accept fragmented plaintext frames in a protected Wi-Fi network. An adversary can abuse this to inject arbitrary data frames independent of the network configuration.

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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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
Source: cve@mitre.org
Third Party Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63
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.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63
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)
0.4%
61th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-20

Affected Vendors

alfa arista siemens

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