CVE-2020-10955

Name: CVE-2020-10955
Creator: NVD / NIST
Published: 2020-03-27T19:15:11.383+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.03%

Last modified Jun 17, 2026

CVE-2020-10955 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. GitLab EE/CE 11.1 through 12.9 is vulnerable to parameter tampering on an upload feature that allows an unauthorized user to read content available under specific folders.. EPSS estimates a 1.03% chance of exploitation in the next 30 days.

Description

GitLab EE/CE 11.1 through 12.9 is vulnerable to parameter tampering on an upload feature that allows an unauthorized user to read content available under specific folders.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.03%

59.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 11.1.0, < 12.9.1
Debian	Debian Linux	10.0

References

https://about.gitlab.com/releases/2020/03/26/security-release-12-dot-9-dot-1-released/Release Notes, Vendor Advisory
https://about.gitlab.com/releases/categories/releases/Release Notes, Vendor Advisory
https://www.debian.org/security/2020/dsa-4691Third Party Advisory
https://about.gitlab.com/releases/2020/03/26/security-release-12-dot-9-dot-1-released/Release Notes, Vendor Advisory
https://about.gitlab.com/releases/categories/releases/Release Notes, Vendor Advisory
https://www.debian.org/security/2020/dsa-4691Third Party Advisory

Timeline

Published: Mar 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10955?

GitLab EE/CE 11.1 through 12.9 is vulnerable to parameter tampering on an upload feature that allows an unauthorized user to read content available under specific folders.

How severe is CVE-2020-10955?

CVE-2020-10955 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10955?

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-2020-10955?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST