Auth bypass in Gitlab

CVE-2020-13284

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. API Authorization Using Outdated CI Job Token

Vulnerability class: Broken Access Control

EPSS: 0.011 (62.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.

Affected products

Gitlab — versions >=11.3, <13.1.10, >=13.2, <13.2.8, >=13.3, <13.3.4

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

cve@gitlab.com (x_refsource_MISC, Broken Link)
cve@gitlab.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2020-13284?: CVE-2020-13284 is a medium-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2020-09-14.
How severe is CVE-2020-13284?: Medium severity. CVSS v3 base score is 6.5 out of 10.