What is CVE-2018-17455?

CVE-2018-17455 is a high-severity vulnerability in Gitlab, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2023-04-15.

How severe is CVE-2018-17455?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Gitlab

CVE-2018-17455

An issue was discovered in GitLab Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. Attackers could obtain sensitive information about group names, avatars, LDAP settings, and descriptions via an insecure direct object reference to the "merge request approvals" feature.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.006 (46.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Gitlab — versions 11.3.0
N/a — versions n/a

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

cve@mitre.org (Release Notes)
cve@mitre.org (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2018-17455?: CVE-2018-17455 is a high-severity vulnerability in Gitlab, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2023-04-15.
How severe is CVE-2018-17455?: High severity. CVSS v3 base score is 7.5 out of 10.