HOMEVULNERABILITIESCVE-2020-24588
LOW

CVE-2020-24588

CWE-327Published: 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 the A-MSDU flag in the plaintext QoS header field is authenticated. Against devices that support receiving non-SSP A-MSDU frames (which is mandatory as part of 802.11n), an adversary can abuse this to inject arbitrary network packets.

NVD Source

Technical Analysis

CVE-2020-24588 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
ConfidentialityNone
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Affected Vendors & Products

arista30 product(s)
c-100 firmwarec-100c-110 firmwarec-110c-120 firmwarec-120c-130 firmwarec-130c-200 firmwarec-200c-230 firmwarec-230+18
Cisco218 product(s)
1100 firmware11001100-4p firmware1100-4p1100-8p firmware1100-8p1101-4p firmware1101-4p1109-2p firmware1109-2p1109-4p firmware1109-4p+206
Debian1 product(s)
debian linux
ieee1 product(s)
ieee 802.11
intel42 product(s)
ac 8260 firmwareac 8260ac 8265 firmwareac 8265ac 9260 firmwareac 9260ac 9560 firmwareac 9560killer ac 1550 firmwarekiller ac 1550killer wi-fi 6 ax1650 firmwarekiller wi-fi 6 ax1650+30
Linux2 product(s)
mac80211linux kernel
Microsoft8 product(s)
windows 10windows 7windows 8.1windows rt 8.1windows server 2008windows server 2012windows server 2016windows server 2019
siemens48 product(s)
scalance w1748-1 firmwarescalance w1748-1scalance w1750d firmwarescalance w1750dscalance w1788-1 firmwarescalance w1788-1scalance w1788-2 firmwarescalance w1788-2scalance w1788-2ia firmwarescalance w1788-2iascalance w721-1 firmwarescalance w721-1+36
Source: NVD CPE · 358 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://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf
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://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf
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

News & Research Mentioning CVE-2020-24588

Siemens SCALANCE
CISA Alerts· Apr 21, 2026

View CSAF Summary SCALANCE W-700 IEEE 802.11n family before V6.6.0 are affected by multiple vulnerabilities. Siemens has released a new version for SCALANCE W-700 IEEE 802.11n family and recommends to update to the latest version. The following versions of Siemens SCALANCE are affected: SCALANCE W721-1 RJ45 (6GK5721-1FC00-0AA0) vers:intdot/<6.6.0 (CVE-2020-24588, CVE-2020-26139, CVE-2020-26140, CVE-2020-26141, CVE-2020-26143, CVE-2020-26144, CVE-2020-26146, CVE-2020-26147, CVE-2021-3712, CVE-2022-0778, CVE-2022-31765, CVE-2022-36323, CVE-2022-36324, CVE-2022-36325, CVE-2023-44373) SCALANCE W721-1 RJ45 (6GK5721-1FC00-0AB0) vers:intdot/<6.6.0 (CVE-2020-24588, CVE-2020-26139, CVE-2020-26140, CVE-2020-26141, CVE-2020-26143, CVE-2020-26144, CVE-2020-26146 [xlite_meta score:63 src:CISA Alerts xlite_fp:97dcbf6085fea11c4ef39ae2fb1a0fa497a23c7dd709ebf0d40bfba60bdeefae]

All References (22)

→
http://www.openwall.com/lists/oss-security/2021/05/11/12Mailing List · Third Party Advisory
→
https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdfThird 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://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdfThird 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

Quick Facts

CVE IDCVE-2020-24588
CVSS Score3.5 / 10
SeverityLOW
WeaknessCWE-327
CISA KEVNo
Affected8 vendor(s)
PublishedMay 11, 2021

Related CVEs (CWE-327)

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CVE-2026-21718
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CVE-2018-21058
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CVE-2022-30273
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CVE-2024-32911
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Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-24588 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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