CVE-2020-13355

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.14. A path traversal is found in LFS Upload that allows attacker to overwrite certain specific paths on the server. Affected versions are: >=8.14, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.25%
Vendor Advisory gitlab.com
Affected: GitLab GitLab CE/EE
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/255886 broken link
https://hackerone.com/reports/990800 third party advisory permissions required
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13355.json vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-13355?
CVE-2020-13355 has been scored as a high severity vulnerability.
How to fix CVE-2020-13355?
To fix CVE-2020-13355, 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-2020-13355 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-13355 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-2020-13355?
CVE-2020-13355 affects GitLab GitLab CE/EE.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.