CVE-2020-13344 Information disclosure in GitLab
Attackers with Redis access can steal session keys to impersonate any user, requiring GitLab administrators to upgrade to secure versions.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-13344?
CVE-2020-13344 is a medium-severity vulnerability in Gitlab Gitlab, published on 8 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue has been discovered in GitLab affecting all versions prior to 13.2.10, 13.3.7 and 13.4.2. Sessions keys are stored in plain-text in Redis which allows attacker with Redis access to authenticate as any user that has a session stored in Redis
Weakness: CWE-522
Which versions are affected by CVE-2020-13344?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 10.8.0 | 13.2.10, 13.3.7, 13.4.2 |
Products include Gitlab Gitlab.
How do I fix CVE-2020-13344?
Upgrade gitlab to a fixed version for your release line: 13.2.10, 13.3.7 or 13.4.2.
Is CVE-2020-13344 being exploited?
There is no known exploitation of CVE-2020-13344 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-2020-13344, GHSA-gc5m-gc6j-fr9q, UBUNTU-CVE-2020-13344.