CVE-2019-15585

Name: CVE-2019-15585
Creator: NVD / NIST
Published: 2020-01-28T03:15:10.573+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.63%

Last modified Jun 17, 2026

CVE-2019-15585 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Improper authentication exists in < 12.3.2, < 12.2.6, and < 12.1.12 for GitLab Community Edition (CE) and Enterprise Edition (EE) in the GitLab SAML integration had a validation issue that permitted an attacker to takeover another user's account.. EPSS estimates a 1.63% chance of exploitation in the next 30 days.

Description

Improper authentication exists in < 12.3.2, < 12.2.6, and < 12.1.12 for GitLab Community Edition (CE) and Enterprise Edition (EE) in the GitLab SAML integration had a validation issue that permitted an attacker to takeover another user's account.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.63%

73.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 12.1.0, < 12.1.12
Gitlab	Gitlab	>= 12.2.0, < 12.2.6
Gitlab	Gitlab	>= 12.3.0, < 12.3.2

References

https://about.gitlab.com/blog/2019/09/30/security-release-gitlab-12-dot-3-dot-2-released/Vendor Advisory
https://hackerone.com/reports/471323Permissions Required
https://about.gitlab.com/blog/2019/09/30/security-release-gitlab-12-dot-3-dot-2-released/Vendor Advisory
https://hackerone.com/reports/471323Permissions Required

Timeline

Published: Jan 28, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-15585?

How severe is CVE-2019-15585?

CVE-2019-15585 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.63% probability of exploitation in the next 30 days.

How do I fix CVE-2019-15585?

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-2019-15585?

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

Scan your code now

Source: NVD / NIST