Detections
Analytics

Echo: samba: security update to 2:4.9.5+dfsg-4

high Tenable Cloud Security Plugin ID 457177

Description

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

 - A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up
 to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3, when used in AD DC mode. A man in the middle
 attacker could use this flaw to intercept the request to the KDC and replace the user name (principal) in
 the request with any desired user name (principal) that exists in the KDC effectively obtaining a ticket
 for that principal. (CVE-2018-16860)

Solution

Update the samba library and its related packages to version 2:4.9.5+dfsg-4 or later.

See Also

https://advisory.echohq.com/cve/CVE-2018-16860

Plugin Details

Severity: High

ID: 457177

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.4

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

CVSS Score Source: CVE-2018-16860

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:H/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: 5/14/2019

Reference Information

CVE: CVE-2018-16860

IAVA: 2019-A-0171-S