CVE-2020-13293 Other in GitLab
Attackers can override existing hashes using branch names with hexadecimal characters, potentially corrupting repository data in GitLab.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-13293?
CVE-2020-13293 is a medium-severity vulnerability in Gitlab Gitlab, published on 10 Aug 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
In GitLab before 13.0.12, 13.1.6 and 13.2.3 using a branch with a hexadecimal name could override an existing hash.
Which versions are affected by CVE-2020-13293?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 1.0.0 | 13.0.12, 13.1.6, 13.2.3 |
Products include Gitlab Gitlab.
How do I fix CVE-2020-13293?
Upgrade gitlab to a fixed version for your release line: 13.0.12, 13.1.6 or 13.2.3.
Is CVE-2020-13293 being exploited?
There is no known exploitation of CVE-2020-13293 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-2020-13293, GHSA-6c6c-hp4f-xg67, UBUNTU-CVE-2020-13293.