What’s Vulnerable › Vulnerabilities

CVE-2020-13333

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-10-06 · updated 2026-06-17
• Weakness: CWE-400

Description

A potential DOS vulnerability was discovered in GitLab versions 13.1, 13.2 and 13.3. The api to update an asset as a link from a release had a regex check which caused exponential number of backtracks for certain user supplied values resulting in high CPU usage.

Affected products

• GitLab: 13.1.0, 13.2.0, 13.3.0

References

• https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13333.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/218753
• https://hackerone.com/reports/870820
• https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13333.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/218753
• https://hackerone.com/reports/870820

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