AUGUST 4, 2026
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Case File

CVE-2021-4122

MEDIUM · CVSS 4.3 EPSS 0.29%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-08-24 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.3. See the original NVD description below for full technical details.

CVE
CVE-2021-4122
Severity
MEDIUM
CVSS
4.3
EPSS
0.29%

Original NVD Description

It was found that a specially crafted LUKS header could trick cryptsetup into disabling encryption during the recovery of the device. An attacker with physical access to the medium, such as a flash disk, could use this flaw to force a user into permanently disabling the encryption layer of that medium.

Related CVEs

Other vulnerabilities affecting the same vendor(s)