CVE-2019-12443

Name: CVE-2019-12443
Creator: NVD / NIST
Published: 2020-03-10T15:15:14.87+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.21%

Last modified Jun 17, 2026

CVE-2019-12443 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in GitLab Community and Enterprise Edition 10.2 through 11.11. Multiple features contained Server-Side Request Forgery (SSRF) vulnerabilities caused by an insufficient validation to prevent DNS rebinding attacks.. EPSS estimates a 1.21% chance of exploitation in the next 30 days.

Description

An issue was discovered in GitLab Community and Enterprise Edition 10.2 through 11.11. Multiple features contained Server-Side Request Forgery (SSRF) vulnerabilities caused by an insufficient validation to prevent DNS rebinding attacks.

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

1.21%

64.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 11.9.0, <= 11.11.0

References

https://about.gitlab.com/blog/categories/releases/Release Notes, Vendor Advisory
https://about.gitlab.com/releases/2019/06/03/security-release-gitlab-11-dot-11-dot-1-released/Release Notes, Vendor Advisory
https://about.gitlab.com/blog/categories/releases/Release Notes, Vendor Advisory
https://about.gitlab.com/releases/2019/06/03/security-release-gitlab-11-dot-11-dot-1-released/Release Notes, Vendor Advisory

Timeline

Published: Mar 10, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-12443?

How severe is CVE-2019-12443?

CVE-2019-12443 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.21% probability of exploitation in the next 30 days.

How do I fix CVE-2019-12443?

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-2019-12443?

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

Scan your code now

Source: NVD / NIST