CVE-2023-2620 Insertion of Sensitive Information Into Sent Data in GitLab
A maintainer can leak masked webhook secrets by manipulating webhook URLs, exposing sensitive data in GitLab.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-2620?
CVE-2023-2620 is a medium-severity vulnerability in Gitlab Gitlab, published on 13 Jul 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.1 prior to 15.11.10, all versions from 16.0 prior to 16.0.6, all versions from 16.1 prior to 16.1.1. A maintainer could modify a webhook URL to leak masked webhook secrets by manipulating other masked portions. This addresses an incomplete fix for CVE-2023-0838.
Weakness: CWE-201
Which versions are affected by CVE-2023-2620?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 15.1.0 | 15.11.10, 16.0.6, 16.1.1 |
Products include Gitlab Gitlab.
How do I fix CVE-2023-2620?
Upgrade gitlab to a fixed version for your release line: 15.11.10, 16.0.6 or 16.1.1.
Is CVE-2023-2620 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2620 exists.
Other vulnerabilities in Gitlab Gitlab
- CVE-2026-97229 GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound
- CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal
- CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control
- CVE-2021-22205 GitLab Community and Enterprise Editions Remote Code Execution
- CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF)
Sources
Also known as BIT-gitlab-2023-2620, GHSA-58hc-8hp4-v536, UBUNTU-CVE-2023-2620.