CVE-2020-13270

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

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.22%
Vendor Advisory gitlab.com Vendor Advisory gitlab.com
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/24648 broken link vendor advisory
https://hackerone.com/reports/419977 third party advisory permissions required
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13270.json vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-13270?
CVE-2020-13270 has been scored as a high severity vulnerability.
How to fix CVE-2020-13270?
To fix CVE-2020-13270, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-13270 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-13270 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-13270?
CVE-2020-13270 affects GitLab GitLab.
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