CVE-2021-43566

Katalog CVE

CVSS 2.5 · Low EPSS 0,38%

Kerentanan Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') pada samba. Skor CVSS 3.1 2.5 (Low) menurut NVD.

Deskripsi (NVD)

All versions of Samba prior to 4.13.16 are vulnerable to a malicious client using an SMB1 or NFS race to allow a directory to be created in an area of the server file system not exported under the share definition. Note that SMB1 has to be enabled, or the share also available via NFS in order for this attack to succeed.

Rincian

Terbit di NVD

11 Januari 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

2.5 (Low), sumber NVD
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

EPSS (30 hari)

0,38% peluang dieksploitasi; lebih tinggi dari 29,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.samba.org/show_bug.cgi?id=13979 exploit · issue tracking · advisory vendor
• https://www.samba.org/samba/security/CVE-2021-43566.html patch · advisory vendor
• https://security.netapp.com/advisory/ntap-20220110-0001/ advisory pihak ketiga