// For flags

CVE-2023-4658

Incorrect Authorization in GitLab

Severity Score

3.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An issue has been discovered in GitLab EE affecting all versions starting from 8.13 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to abuse the `Allowed to merge` permission as a guest user, when granted the permission through a group.

Se descubrió un problema en GitLab EE que afecta a todas las versiones desde 8.13 anteriores a 16.4.3, todas las versiones desde 16.5 anteriores a 16.5.3, todas las versiones desde 16.6 anteriores a 16.6.1. Era posible que un atacante abusara del permiso "Permitido fusionar" como usuario invitado, cuando se le concedía el permiso a través de un grupo.

*Credits: Thanks [theluci](https://hackerone.com/theluci) for reporting this vulnerability through our HackerOne bug bounty program
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-08-31 CVE Reserved
  • 2023-12-01 CVE Published
  • 2024-10-03 CVE Updated
  • 2024-10-31 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-284: Improper Access Control
  • CWE-863: Incorrect Authorization
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://gitlab.com/gitlab-org/gitlab/-/issues/423835 2023-12-06
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Gitlab
Search vendor "Gitlab"
 Gitlab
Search vendor "Gitlab" for product "Gitlab"
 >= 8.13.0 < 16.4.3
Search vendor "Gitlab" for product "Gitlab" and version " >= 8.13.0 < 16.4.3"
enterprise
Affected
Gitlab
Search vendor "Gitlab"
 Gitlab
Search vendor "Gitlab" for product "Gitlab"
 >= 16.5.0 < 16.5.3
Search vendor "Gitlab" for product "Gitlab" and version " >= 16.5.0 < 16.5.3"
enterprise
Affected
Gitlab
Search vendor "Gitlab"
 Gitlab
Search vendor "Gitlab" for product "Gitlab"
 16.6.0
Search vendor "Gitlab" for product "Gitlab" and version "16.6.0"
enterprise
Affected