CVE-2020-13270
HIGHCVSS 8.8/10EPSS 1.41%
Last modified
CVE-2020-13270 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Missing permission check on fork relation creation in GitLab CE/EE 11.3 and later through 13.0.1 allows guest users to create a fork relation on restricted public projects via API. EPSS estimates a 1.41% chance of exploitation in the next 30 days.
Description
Missing permission check on fork relation creation in GitLab CE/EE 11.3 and later through 13.0.1 allows guest users to create a fork relation on restricted public projects via API
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 11.3.0, < 11.9.8 |
| Gitlab | Gitlab | >= 11.3.0, < 12.9.8 |
| Gitlab | Gitlab | >= 12.10.0, < 12.10.7 |
| Gitlab | Gitlab | >= 13.0.0, < 13.0.1 |
References
- https://gitlab.com/gitlab-org/gitlab/-/issues/24648Broken Link, Vendor Advisory
- https://hackerone.com/reports/419977Permissions Required, Third Party Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/24648Broken Link, Vendor Advisory
- https://hackerone.com/reports/419977Permissions Required, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-13270?
Missing permission check on fork relation creation in GitLab CE/EE 11.3 and later through 13.0.1 allows guest users to create a fork relation on restricted public projects via API
How severe is CVE-2020-13270?
CVE-2020-13270 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.41% probability of exploitation in the next 30 days.
How do I fix CVE-2020-13270?
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.
Are you affected by CVE-2020-13270?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST