CVE Database›Document archive›CVE-2020-26140

CVE-2020-26140

kernel: accepting plaintext data frames in protected networks

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Severity

Moderate

Red Hat Product Security

6.5

CVSS 3.1

Review impact separately from score.

Published · May 11, 2021

Updated · June 28, 2026

Description

A vulnerability was found in Linux kernel. Where the WiFi implementations accept plaintext frames in a protected WiFi network. An adversary can abuse this to inject arbitrary data frames independent of the network configuration.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 6.5
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CWE-346 · Origin Validation Error