What is CVE-2020-13295?

CVE-2020-13295 is a medium-severity vulnerability in GitLab Runner, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.4/10. Published 2020-08-10.

How severe is CVE-2020-13295?

Medium severity. CVSS v3 base score is 5.4 out of 10.

SSRF in GitLab Runner

CVE-2020-13295

For GitLab Runner before 13.0.12, 13.1.6, 13.2.3, by replacing dockerd with a malicious server, the Shared Runner is susceptible to SSRF.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2020-08-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.012 (66.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: +0.000

Affected products

GitLab Runner — versions >=1.0, <13.0.12, >=13.1, <13.1.6, >=13.2, <13.2.3
GitLab Runner

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

gitlab.com/gitlab-org/gitlab/-/issues/209096 (Broken Link)
hackerone.com/reports/809248 (Permissions Required, Third Party Advisory)
gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13295.json (Third Party Advisory)

Frequently asked questions

What is CVE-2020-13295?: CVE-2020-13295 is a medium-severity vulnerability in GitLab Runner, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.4/10. Published 2020-08-10.
How severe is CVE-2020-13295?: Medium severity. CVSS v3 base score is 5.4 out of 10.