Detections
Analytics

Echo: openssh: security update to 1:9.2p1-2+deb12u6

medium Tenable Cloud Security Plugin ID 457141

Description

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

 - Remotely observable behaviour in auth-gss2.c in OpenSSH through 7.8 could be used by remote attackers to
 detect existence of users on a target system when GSS2 is in use. NOTE: the discoverer states 'We
 understand that the OpenSSH developers do not want to treat such a username enumeration (or "oracle") as a
 vulnerability.' (CVE-2018-15919)

Solution

Update the openssh library and its related packages to version 1:9.2p1-2+deb12u6 or later.

See Also

https://advisory.echohq.com/cve/CVE-2018-15919

Plugin Details

Severity: Medium

ID: 457141

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2018-15919

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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: 1/29/2026

Vulnerability Publication Date: 8/27/2018

Reference Information

CVE: CVE-2018-15919