Echo: samba: security update to 2:4.3.7+dfsg-1

medium Tenable Self-Hosted Container Security Plugin ID 457567

Description

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

- The NTLMSSP authentication implementation in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and
4.4.x before 4.4.2 allows man-in-the-middle attackers to perform protocol-downgrade attacks by modifying
the client-server data stream to remove application-layer flags or encryption settings, as demonstrated by
clearing the NTLMSSP_NEGOTIATE_SEAL or NTLMSSP_NEGOTIATE_SIGN option to disrupt LDAP security.
(CVE-2016-2110)

Solution

Update the samba library and its related packages to version 2:4.3.7+dfsg-1 or later.

Plugin Details

Severity: Medium

ID: 457567

Version: Revision 1.1

Type: Local

Family: Echo Local Security Checks

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: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2016-2110

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/2/2026

Vulnerability Publication Date: 4/12/2016

Reference Information

CVE: CVE-2016-2110

IAVA: 2016-A-0095-S

Detections

Analytics