Auth bypass in Gitlab

CVE-2020-13276

User is allowed to set an email as a notification email even without verifying the new email in all previous GitLab CE/EE versions through 13.0.1

Vulnerability class: Broken Access Control

EPSS: 0.007 (48.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L.

Affected products

Gitlab — versions >=12.10, <12.10.7, <12.9.8, 13.0.0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

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

Frequently asked questions

What is CVE-2020-13276?: CVE-2020-13276 is a high-severity vulnerability in Gitlab, classified under Missing Authorization. CVSS score: 7.4/10. Published 2020-06-19.
How severe is CVE-2020-13276?: High severity. CVSS v3 base score is 7.4 out of 10.