What is CVE-2020-13300?

CVE-2020-13300 is a high-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 8.0/10. Published 2020-09-14.

How severe is CVE-2020-13300?

High severity. CVSS v3 base score is 8.0 out of 10.

Auth bypass in Gitlab

CVE-2020-13300

GitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.

Vulnerability class: Broken Access Control

EPSS: 0.013 (67.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N.

Affected products

Gitlab — versions >=13.3, <13.3.4

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

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, Vendor Advisory)

Frequently asked questions

What is CVE-2020-13300?: CVE-2020-13300 is a high-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 8.0/10. Published 2020-09-14.
How severe is CVE-2020-13300?: High severity. CVSS v3 base score is 8.0 out of 10.