csirt@kutim:~/threat-intel/cve/CVE-2021-41091

Katalog CVE

CVSS 6.3 · Medium EPSS 2,8%

Kerentanan Improper Preservation of Permissions pada mobyproject moby, fedoraproject fedora. Skor CVSS 3.1 6.3 (Medium) menurut NVD.

Deskripsi (NVD)

Moby is an open-source project created by Docker to enable software containerization. A bug was found in Moby (Docker Engine) where the data directory (typically `/var/lib/docker`) contained subdirectories with insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traverse directory contents and execute programs. When containers included executable programs with extended permission bits (such as `setuid`), unprivileged Linux users could discover and execute those programs. When the UID of an unprivileged Linux user on the host collided with the file owner or group inside a container, the unprivileged Linux user on the host could discover, read, and modify those files. This bug has been fixed in Moby (Docker Engine) 20.10.9. Users should update to this version as soon as possible. Running containers should be stopped and restarted for the permissions to be fixed. For users unable to upgrade limit access to the host to trusted users. Limit access to host volumes to trusted containers.

Rincian

Terbit di NVD
4 Oktober 2021
Terakhir diubah
17 Juni 2026
Status NVD
Modified
CVSS 3.1
6.3 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-281: Improper Preservation of Permissions
CWE-732: Incorrect Permission Assignment for Critical Resource
EPSS (30 hari)
2,8% peluang dieksploitasi; lebih tinggi dari 86,3% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
mobyproject moby Semua versi sebelum 20.10.9
fedoraproject fedora Versi 34
fedoraproject fedora Versi 35

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

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.