CVE-2020-6833 Information disclosure in n/a
Attackers can exploit request smuggling in GitLab Workhorse to bypass security controls and disclose sensitive packages and files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-6833?
CVE-2020-6833 is a high-severity vulnerability in Gitlab Gitlab, published on 5 Feb 2020. 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 EE 11.3 and later. A GitLab Workhorse bypass could lead to package and file disclosure via request smuggling.
Which versions are affected by CVE-2020-6833?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 11.3.0 | 12.5.9, 12.6.6, 12.7.4 |
Products include Gitlab Gitlab.
How do I fix CVE-2020-6833?
Upgrade gitlab to a fixed version for your release line: 12.5.9, 12.6.6 or 12.7.4.
Is CVE-2020-6833 being exploited?
There is no known exploitation of CVE-2020-6833 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 BIT-gitlab-2020-6833, GHSA-rm66-gh27-q674.