CVE-2023-5831 Exposure of Sensitive Information to an Unauthorized Actor in GitLab

2023-11-0610:30:28

CWE-200

GitLab

github.com

gitlab

sensitive information

unauthorized actor

feature flag

metadata disclosure

CVSS3

3.7

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

AI Score

6.4

Confidence

Low

SSVC

Exploitation

none

Automatable

yes

Technical Impact

partial

JSON

An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, and all versions starting from 16.5.0 before 16.5.1 which have the super_sidebar_logged_out feature flag enabled. Affected versions with this default-disabled feature flag enabled may unintentionally disclose GitLab version metadata to unauthorized actors.