CVE-2018-17455 is an Insecure Direct Object Reference (IDOR) vulnerability affecting GitLab Enterprise Edition versions before 11.1.7, 11.2.4, and 11.3.1. This flaw allows unauthenticated attackers to retrieve sensitive information such as group names, avatars, LDAP settings, and descriptions through the "merge request approvals" feature. Rated 7.5 HIGH on CVSS, it poses a significant risk due to its network-based attack vector and low complexity, leading to high confidentiality impact. There is no evidence of active exploitation, and public exploit code is unavailable, though it has garnered some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 11.1.7CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | ||
< 11.1.7CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | ||
>= 11.2.0, < 11.2.4CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | ||
>= 11.2.0, < 11.2.4CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | ||
11.3.0CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:11.3.0:*:*:*:community:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.