CVE-2020-26142

An issue was discovered in the kernel in OpenBSD 6.6. The WEP, WPA, WPA2, and WPA3 implementations treat fragmented frames as full frames. An adversary can abuse this to inject arbitrary network packets, independent of the network configuration.

• CWE-74

• http://www.openwall.com/lists/oss-security/2021/05/11/12Mailing List, Third Party Advisory
• https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.mdThird Party Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWuThird Party Advisory
• https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63Third Party Advisory
• https://www.fragattacks.comThird Party Advisory
• http://www.openwall.com/lists/oss-security/2021/05/11/12Mailing List, Third Party Advisory
• https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.mdThird Party Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWuThird Party Advisory
• https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63Third Party Advisory
• https://www.fragattacks.comThird Party Advisory

Published

May 11, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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