What is CVE-2019-5466?

CVE-2019-5466 is a medium-severity vulnerability in GitLab, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2020-01-28.

How severe is CVE-2019-5466?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in GitLab

CVE-2019-5466

An IDOR was discovered in GitLab CE/EE 11.5 and later that allowed new merge requests endpoint to disclose label names.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.010 (58.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Gitlab
N/a Gitlab Ce/ee — versions Affects GitLab CE/EE 11.5 and later, Fixed in 12.1.2 in 12.0.4 and in 11.11.6

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

support@hackerone.com (Patch, x_refsource_MISC, Release Notes, Vendor Advisory)
support@hackerone.com (Permissions Required, x_refsource_MISC)
support@hackerone.com (Exploit, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2019-5466?: CVE-2019-5466 is a medium-severity vulnerability in GitLab, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2020-01-28.
How severe is CVE-2019-5466?: Medium severity. CVSS v3 base score is 4.3 out of 10.