Auth bypass in Gitlab

CVE-2020-13292

In GitLab before 13.0.12, 13.1.6 and 13.2.3, it is possible to bypass E-mail verification which is required for OAuth Flow.

Vulnerability class: Broken Authentication

EPSS: 0.010 (59.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.

Affected products

Gitlab — versions >=12.3, <13.0.12, >=13.1, <13.1.6, >=13.2, <13.2.3

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

cve@gitlab.com (x_refsource_MISC, Broken Link)
cve@gitlab.com (Permissions Required, Third Party Advisory, x_refsource_MISC)
cve@gitlab.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2020-13292?: CVE-2020-13292 is a critical-severity vulnerability in Gitlab, classified under Improper Authentication. CVSS score: 9.6/10. Published 2020-08-10.
How severe is CVE-2020-13292?: Critical severity. CVSS v3 base score is 9.6 out of 10.