Detections
Analytics

GitLab < 17.10.7 / 17.11 < 17.11.3 / 18.0 < 18.0.1 (CVE-2025-4979)

medium Nessus Plugin ID 237108

Synopsis

The version of GitLab installed on the remote host is affected by a vulnerability.

Description

The version of GitLab installed on the remote host is affected by a vulnerability, as follows:

 - An issue has been discovered in GitLab CE/EE affecting all versions before 17.10.7, 17.11 before 17.11.3, and 18.0 before 18.0.1. An attacker may be able to reveal masked or hidden CI variables (that they did not author) in the WebUI, by simply creating their own variable and observing the HTTP response.
 (CVE-2025-4979)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to GitLab version 17.10.7, 17.11.3, 18.0.1 or later.

See Also

https://gitlab.com/gitlab-org/gitlab/-/issues/524455

http://www.nessus.org/u?497a88f6

Plugin Details

Severity: Medium

ID: 237108

File Name: gitlab_cve-2025-4979.nasl

Version: 1.2

Type: combined

Agent: unix

Family: CGI abuses

Published: 5/22/2025

Updated: 5/23/2025

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.1

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

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

CVSS Score Source: CVE-2025-4979

CVSS v3

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 4.3

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:gitlab:gitlab

Required KB Items: installed_sw/GitLab

Exploit Ease: No known exploits are available

Patch Publication Date: 5/22/2025

Vulnerability Publication Date: 5/22/2025

Reference Information

CVE: CVE-2025-4979

IAVA: 2025-A-0376