CVE-2018-20489 Auth bypass in n/a
Attackers can bypass authentication controls in GitLab, potentially gaining unauthorized access to the platform.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-20489?
CVE-2018-20489 is a medium-severity authentication bypass vulnerability in Gitlab Gitlab, published on 30 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in GitLab Community and Enterprise Edition before 11.4.13, 11.5.x before 11.5.6, and 11.6.x before 11.6.1. It has Incorrect Access Control.
Weakness: CWE-287
Which versions are affected by CVE-2018-20489?
It affects 1 product.
Products include Gitlab Gitlab.
How do I fix CVE-2018-20489?
No fix has been published for CVE-2018-20489 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2018-20489 being exploited?
There is no known exploitation of CVE-2018-20489 in the wild and no public exploit code.
Other vulnerabilities in Gitlab Gitlab
- CVE-2026-97229 GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound
- CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal
- CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control
- CVE-2021-22205 GitLab Community and Enterprise Editions Remote Code Execution
- CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF)
Sources
Also known as GHSA-8f9p-2286-5jc9.