CVE-2020-7978 Denial of service in n/a
Attackers can cause a Denial of Service in GitLab Enterprise Edition, requiring administrators to upgrade to a patched version.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-7978?
CVE-2020-7978 is a high-severity denial of service 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
GitLab EE 12.6 and later through 12.7.2 allows Denial of Service.
Which versions are affected by CVE-2020-7978?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 12.6.0 to 12.7.2 | 12.6.6 |
Products include Gitlab Gitlab.
How do I fix CVE-2020-7978?
Upgrade gitlab to 12.6.6 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-7978 being exploited?
There is no known exploitation of CVE-2020-7978 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-2020-7978, GHSA-6xcc-cmr2-r357.