CVE-2020-13321
HIGHCVSS 8.3/10EPSS 1.42%
Last modified
CVE-2020-13321 is a high-severity vulnerability rated 8.3/10 on the CVSS scale. A vulnerability was discovered in GitLab versions prior to 13.1. Username format restrictions could be bypassed allowing for html tags to be added.. EPSS estimates a 1.42% chance of exploitation in the next 30 days.
Description
A vulnerability was discovered in GitLab versions prior to 13.1. Username format restrictions could be bypassed allowing for html tags to be added.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | < 12.10.13 |
| Gitlab | Gitlab | >= 13.0.0, < 13.0.8 |
| Gitlab | Gitlab | >= 13.1.0, < 13.1.2 |
References
- https://gitlab.com/gitlab-org/gitlab/-/issues/25751Exploit, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/25751Exploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-13321?
A vulnerability was discovered in GitLab versions prior to 13.1. Username format restrictions could be bypassed allowing for html tags to be added.
How severe is CVE-2020-13321?
CVE-2020-13321 has a CVSS score of 8.3/10 (HIGH severity). The EPSS model estimates a 1.42% probability of exploitation in the next 30 days.
How do I fix CVE-2020-13321?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-13321?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST