HOMEVULNERABILITIESCVE-2020-24586
LOW

CVE-2020-24586

NVD-CWE-OtherPublished: May 11, 2021· Updated: Jun 17, 2026

3.5
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2020-24586 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Affected Vendors & Products

arista10 product(s)
c-250 firmwarec-250c-260 firmwarec-260c-230 firmwarec-230c-235 firmwarec-235c-200 firmwarec-200
Debian1 product(s)
debian linux
ieee1 product(s)
ieee 802.11
intel30 product(s)
ax210 firmwareax210ax201 firmwareax201ax200 firmwareax200ac 9560 firmwareac 9560ac 9462 firmwareac 9462ac 9461 firmwareac 9461+18
Linux2 product(s)
mac80211linux kernel
Source: NVD CPE · 44 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.openwall.com/lists/oss-security/2021/05/11/12
ADVISORYhttps://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md
ADVISORYhttps://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
ADVISORYhttps://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
ADVISORYhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
ADVISORYhttps://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63
ADVISORYhttps://www.fragattacks.com
ADVISORYhttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00473.html
ADVISORYhttp://www.openwall.com/lists/oss-security/2021/05/11/12
ADVISORYhttps://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md
ADVISORYhttps://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
ADVISORYhttps://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
ADVISORYhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
ADVISORYhttps://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63
ADVISORYhttps://www.fragattacks.com
ADVISORYhttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00473.html

All References (18)

→
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

Quick Facts

CVE IDCVE-2020-24586
CVSS Score3.5 / 10
SeverityLOW
WeaknessNVD-CWE-Other
CISA KEVNo
Affected5 vendor(s)
PublishedMay 11, 2021

Related CVEs (NVD-CWE-Other)

CVE-2006-5025
10.0
CVE-2006-5008
10.0
CVE-2006-4996
10.0
CVE-2006-4950
10.0
CVE-2006-4860
10.0
CVE-2006-5026
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-24586 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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