CVE-2020-26147
- State
- Published
- Severity
- Not scored
- Published
- May 11, 2021
- Updated
- Apr 14, 2026
- Reserved
- Sep 29, 2020
Description
An issue was discovered in the Linux kernel 5.8.9. The WEP, WPA, WPA2, and WPA3 implementations reassemble fragments even though some of them were sent in plaintext. This vulnerability can be abused to inject packets and/or exfiltrate selected fragments when another device sends fragmented frames and the WEP, CCMP, or GCMP data-confidentiality protocol is used.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- 20210511 Multiple Vulnerabilities in Frame Aggregation and Fragmentation Implementations of 802.11 Specification Affecting Cisco Products: May 2021vendor-advisory
- https://www.fragattacks.com/
- https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md
- [oss-security] 20210511 various 802.11 security issues - fragattacks.commailing-list
- [debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security updatemailing-list
- [debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security updatemailing-list
- https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf
- https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63
- https://cert-portal.siemens.com/productcert/html/ssa-913875.html
- https://cert-portal.siemens.com/productcert/html/ssa-019200.html
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