CVE-2020-11505

Name: CVE-2020-11505
Creator: NVD / NIST
Published: 2020-04-22T20:15:11.327+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.17%

Last modified Jun 17, 2026

CVE-2020-11505 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in GitLab Community Edition (CE) and Enterprise Edition (EE) before 12.7.9, 12.8.x before 12.8.9, and 12.9.x before 12.9.3. A Workhorse bypass could lead to NuGet package and file disclosure (Exposure of Sensitive Information) via request smuggling.. EPSS estimates a 1.17% chance of exploitation in the next 30 days.

Description

An issue was discovered in GitLab Community Edition (CE) and Enterprise Edition (EE) before 12.7.9, 12.8.x before 12.8.9, and 12.9.x before 12.9.3. A Workhorse bypass could lead to NuGet package and file disclosure (Exposure of Sensitive Information) via request smuggling.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.17%

63.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-444

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	< 12.7.9
Gitlab	Gitlab	>= 12.8.0, < 12.8.9
Gitlab	Gitlab	>= 12.9.0, < 12.9.3

References

https://about.gitlab.com/blog/categories/releases/Vendor Advisory
https://about.gitlab.com/releases/2020/04/14/critical-security-release-gitlab-12-dot-9-dot-3-released/Vendor Advisory
https://about.gitlab.com/blog/categories/releases/Vendor Advisory
https://about.gitlab.com/releases/2020/04/14/critical-security-release-gitlab-12-dot-9-dot-3-released/Vendor Advisory

Timeline

Published: Apr 22, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11505?

How severe is CVE-2020-11505?

CVE-2020-11505 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.17% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11505?

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-2020-11505?

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

Scan your code now

Source: NVD / NIST