CVE-2020-13335 Business logic in GitLab
Attackers can delete their own accounts while retaining group ownership, potentially leaving orphaned groups or bypassing intended cleanup logic.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-13335?
CVE-2020-13335 is a medium-severity vulnerability in Gitlab Gitlab, published on 7 Oct 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper group membership validation when deleting a user account in GitLab >=7.12 allows a user to delete own account without deleting/transferring their group.
Weakness: CWE-863
Which versions are affected by CVE-2020-13335?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 7.12.0 | 13.2.10, 13.3.7, 13.4.2 |
Products include Gitlab Gitlab.
How do I fix CVE-2020-13335?
Upgrade gitlab to a fixed version for your release line: 13.2.10, 13.3.7 or 13.4.2.
Is CVE-2020-13335 being exploited?
There is no known exploitation of CVE-2020-13335 in the wild and no public exploit code.
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-2020-13335, GHSA-jcwq-43pm-wp74, UBUNTU-CVE-2020-13335.