CVE-2021-4122: cryptsetup project cryptsetup

csirt@kutim:~/threat-intel/cve/CVE-2021-4122

CVSS 4.3 · Medium EPSS 0,31%

Kerentanan Insufficient Verification of Data Authenticity pada cryptsetup project cryptsetup. Skor CVSS 3.1 4.3 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 24 Agustus 2022
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 4.3 (Medium), sumber NVD
CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-345: Insufficient Verification of Data Authenticity
EPSS (30 hari): 0,31% peluang dieksploitasi; lebih tinggi dari 22,2% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
cryptsetup project	cryptsetup	Semua versi sebelum 2.3.7
cryptsetup project	cryptsetup	Versi 2.4.0 hingga sebelum 2.4.3

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://mirrors.edge.kernel.org/pub/linux/utils/cryptsetup/v2.4/v2.4.3-ReleaseNotes release notes · advisory vendor
https://gitlab.com/cryptsetup/cryptsetup/-/commit/0113ac2d889c5322659ad0596d4cfc6da53e356c patch · advisory pihak ketiga
https://access.redhat.com/security/cve/CVE-2021-4122 advisory pihak ketiga
https://bugzilla.redhat.com/show_bug.cgi?id=2031859 permissions required · advisory pihak ketiga
https://bugzilla.redhat.com/show_bug.cgi?id=2032401 issue tracking · advisory pihak ketiga

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.