CVE-2020-28991
CRITICALCVSS 9.8/10EPSS 1.71%
Last modified
CVE-2020-28991 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Gitea 0.9.99 through 1.12.x before 1.12.6 does not prevent a git protocol path that specifies a TCP port number and also contains newlines (with URL encoding) in ParseRemoteAddr in modules/auth/repo_form.go.. EPSS estimates a 1.71% chance of exploitation in the next 30 days.
Description
Gitea 0.9.99 through 1.12.x before 1.12.6 does not prevent a git protocol path that specifies a TCP port number and also contains newlines (with URL encoding) in ParseRemoteAddr in modules/auth/repo_form.go.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitea | Gitea | >= 0.9.99, < 1.12.6 |
References
- https://github.com/go-gitea/gitea/pull/13525Patch, Third Party Advisory
- https://github.com/go-gitea/gitea/releases/tag/v1.12.6Release Notes, Third Party Advisory
- https://github.com/go-gitea/gitea/pull/13525Patch, Third Party Advisory
- https://github.com/go-gitea/gitea/releases/tag/v1.12.6Release Notes, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-28991?
Gitea 0.9.99 through 1.12.x before 1.12.6 does not prevent a git protocol path that specifies a TCP port number and also contains newlines (with URL encoding) in ParseRemoteAddr in modules/auth/repo_form.go.
How severe is CVE-2020-28991?
CVE-2020-28991 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.71% probability of exploitation in the next 30 days.
How do I fix CVE-2020-28991?
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-2020-28991?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST