Detections
Analytics

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

high Tenable Cloud Security Plugin ID 455576

Description

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

 - The MS-SAMR and MS-LSAD protocol implementations 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 mishandle DCERPC connections, which allows man-in-the-middle attackers to perform
 protocol-downgrade attacks and impersonate users by modifying the client-server data stream, aka
 "BADLOCK." (CVE-2016-2118)

Solution

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

See Also

https://advisory.echohq.com/cve/CVE-2016-2118

Plugin Details

Severity: High

ID: 455576

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: 57.78

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2016-2118

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/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: 4/12/2016

Reference Information

CVE: CVE-2016-2118

IAVA: 2016-A-0095-S