What is CVE-2018-8971?

CVE-2018-8971 is a critical-severity vulnerability in GitLab, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2018-03-24.

How severe is CVE-2018-8971?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Improper input validation in GitLab

CVE-2018-8971

The Auth0 integration in GitLab before 10.3.9, 10.4.x before 10.4.6, and 10.5.x before 10.5.6 has an incorrect omniauth-auth0 configuration, leading to signing in unintended users.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.013 (68.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Gitlab
Debian Debian_linux — versions 9.0
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)

Frequently asked questions

What is CVE-2018-8971?: CVE-2018-8971 is a critical-severity vulnerability in GitLab, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2018-03-24.
How severe is CVE-2018-8971?: Critical severity. CVSS v3 base score is 9.8 out of 10.