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Echo: samba: security update to 2:4.17.2+dfsg-3

medium Tenable Self-Hosted Container Security Plugin ID 459960

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - A flaw was found in samba. A race condition in the password lockout code may lead to the risk of brute
 force attacks being successful if special conditions are met. (CVE-2021-20251)

Solution

Update the samba library and its related packages to version 2:4.17.2+dfsg-3 or later.

See Also

https://advisory.echohq.com/cve/CVE-2021-20251

Plugin Details

Severity: Medium

ID: 459960

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.2

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:C/A:N

CVSS Score Source: CVE-2021-20251

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/2/2026

Vulnerability Publication Date: 3/6/2023

Reference Information

CVE: CVE-2021-20251