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CVE-2020-13293
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.
Medium6.3EPSS 1.0%
- Published
- Updated
- Reserved
- Assigned by
- GitLab
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitLabCNA (assigner) | 3.1 | Medium6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:L |
| NVDNVD · Modified | 3.1 | High7.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L |
- EPSS (exploitation in 30 days)
- 1.0% · top 36% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.3.
Weakness
- Access of resource using incompatible type ('type confusion') in GitLab
Affected products
References (3)
- https://gitlab.com/gitlab-org/gitlab/-/issues/202690 (opens in a new tab)x_refsource_MISCx_transferred
- https://hackerone.com/reports/790634 (opens in a new tab)x_refsource_MISCx_transferred
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13293.json (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-13293)Record last updated .