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CVE-2020-26143

Date: May 11, 2021

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.

Severity Score

Related Resources (11)

https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md
https://security-tracker.debian.org/tracker/CVE-2020-26143
https://www.fragattacks.com
http://www.openwall.com/lists/oss-security/2021/05/11/12
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
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-26143
https://nvd.nist.gov/vuln/detail/CVE-2020-26143
https://access.redhat.com/security/cve/CVE-2020-26143
https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf
https://www.mend.io/vulnerability-database/CVE-2020-26143

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): ADJACENT
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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