CVE-2020-13356

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.8.9. A specially crafted request could bypass Multipart protection and read files in certain specific paths on the server. Affected versions are: >=8.8.9, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

8.2

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.16%

Vendor Advisory gitlab.com

Affected: GitLab GitLab CE/EE

References

Link	Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/230878	broken link
https://hackerone.com/reports/927953	third party advisory permissions required
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13356.json	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-13356?: CVE-2020-13356 has been scored as a high severity vulnerability.
How to fix CVE-2020-13356?: To fix CVE-2020-13356, 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-2020-13356 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2020-13356 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-2020-13356?: CVE-2020-13356 affects GitLab GitLab CE/EE.

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