What’s Vulnerable › Vulnerabilities

CVE-2020-13293

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-08-10 · updated 2026-06-17

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.

Affected products

• GitLab: from 1.0.0 before 13.0.12; from 13.1.0 before 13.1.6; from 13.2.0 before 13.2.3 — fixed in 13.0.12, 13.1.6, 13.2.3

How to fix

Upgrade to a fixed version: GitLab 13.0.12, 13.1.6, 13.2.3. Check the vendor advisory for mitigations.

References

• https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13293.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/202690
• https://hackerone.com/reports/790634
• https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13293.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/202690
• https://hackerone.com/reports/790634

Get alerted when CVE-2020-13293 or the next vulnerability affects your stack