CVE-2020-24586

The 802.11 standard that underpins Wi-Fi Protected Access (WPA, WPA2, and WPA3) and Wired Equivalent Privacy (WEP) doesn't require that received fragments be cleared from memory after (re)connecting to a network. Under the right circumstances, when another device sends fragmented frames encrypted using WEP, CCMP, or GCMP, this can be abused to inject arbitrary network packets and/or exfiltrate user data.

• 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://lists.debian.org/debian-lts-announce/2021/06/msg00019.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2021/06/msg00020.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2023/04/msg00002.html
• 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.comExploit, Third Party Advisory
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00473.htmlThird 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://lists.debian.org/debian-lts-announce/2021/06/msg00019.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2021/06/msg00020.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2023/04/msg00002.html
• 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.comExploit, Third Party Advisory
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00473.htmlThird Party Advisory

Published

May 11, 2021

Last Modified

Jun 17, 2026

Status

Modified

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