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Echo: samba: security update to 2:4.16.0+dfsg-2

medium Tenable Cloud Security Plugin ID 465146

Description

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

 - A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated
 attacker with permissions to read or modify share metadata, to perform this operation outside of the
 share. (CVE-2021-20316)

Solution

Update the samba library and its related packages to version 2:4.16.0+dfsg-2 or later.

See Also

https://advisory.echohq.com/cve/CVE-2021-20316

Plugin Details

Severity: Medium

ID: 465146

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.04

CVSS v2

Risk Factor: Medium

Base Score: 6.6

Temporal Score: 4.9

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

CVSS Score Source: CVE-2021-20316

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

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: 2/2/2022

Reference Information

CVE: CVE-2021-20316

IAVA: 2022-A-0054