CVE-2021-4122EPSS p23.3%

CVE-2021-4122CVE-2021-4122

cryptsetup_project / cryptsetup

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.

Scoring

CVSS 4.3 ()
VectorCVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS0.32% probability of exploitation · percentile 23.3% · 2026-10-17T12:00:28Z
Last modified2026-10-14
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.