Echo: samba: security update to 2:4.13.14+dfsg-1

high Tenable Cloud Security Plugin ID 455246

Description

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

- Kerberos acceptors need easy access to stable AD identifiers (eg objectSid). Samba as an AD DC now
provides a way for Linux applications to obtain a reliable SID (and samAccountName) in issued tickets.
(CVE-2020-25721)

Solution

Update the samba library and its related packages to version 2:4.13.14+dfsg-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2020-25721

Plugin Details

Severity: High

ID: 455246

Version: Revision 1.2

Type: Local

Published: 10/1/2026

Updated: 10/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS Score Source: CVE-2020-25721

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/2/2026

Vulnerability Publication Date: 11/9/2021

Reference Information

CVE: CVE-2020-25721