CVE-2021-39935 is a critical Server-Side Request Forgery (SSRF) vulnerability affecting GitLab CE/EE versions 10.5 through 14.5.1, allowing unauthorized external users to perform SSRF attacks via the CI Lint API. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network without authentication, potentially leading to significant information disclosure. The vulnerability is actively exploited in the wild, as confirmed by its inclusion in CISA's KEV catalog, and has garnered substantial community discussion and media coverage. Despite active exploitation, no public exploit code is currently available on platforms like Metasploit or ExploitDB.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 10.5.0, < 14.3.6CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | ||
>= 10.5.0, < 14.3.6CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | ||
>= 14.4.0, < 14.4.4CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | ||
>= 14.4.0, < 14.4.4CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | ||
>= 14.5.0, < 14.5.2CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/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.