Cyber Resilience

CVE-2020-26147

Medium

Published: 11 May 2021

Published
11 May 2021
Modified
14 April 2026
KEV Added
—
Patch
11 May 2021
CVSS Score v3.1 5.4 CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N
EPSS Score 0.0013 32.6th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-26147 is a medium-severity an unspecified weakness vulnerability in Linux Linux Kernel. Its CVSS base score is 5.4 (Medium).

Operationally, ranked at the 32.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

another device sends fragmented frames and the WEP, CCMP, or GCMP data-confidentiality protocol is used.

CWE(s)
NVD-CWE-Other

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

linux
linux kernel
4.4 — 4.4.271 · 4.9 — 4.9.271 · 4.14 — 4.14.235
debian
debian linux
9.0
arista
c-75 firmware
all versions
arista
o-90 firmware
all versions
arista
c-65 firmware
all versions
arista
w-68 firmware
all versions
siemens
scalance w700 ieee 802.11n firmware
all versions
siemens
scalance w1700 ieee 802.11ac firmware
all versions

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References