What is CVE-2020-7978?

CVE-2020-7978 is a high-severity vulnerability in GitLab. CVSS score: 7.5/10. Published 2020-02-05.

How severe is CVE-2020-7978?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in GitLab

CVE-2020-7978

GitLab EE 12.6 and later through 12.7.2 allows Denial of Service.

Published 2020-02-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.011 (65.6th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

GitLab

References

about.gitlab.com/blog/categories/releases/ (Release Notes, Vendor Advisory)
about.gitlab.com/releases/2020/01/30/security-release-gitlab-12-7-4-released/ (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2020-7978?: CVE-2020-7978 is a high-severity vulnerability in GitLab. CVSS score: 7.5/10. Published 2020-02-05.
How severe is CVE-2020-7978?: High severity. CVSS v3 base score is 7.5 out of 10.