CVE-2023-5356 is an incorrect authorization vulnerability affecting GitLab CE/EE versions 8.13 through 16.7.2. It allows an authenticated user to leverage Slack/Mattermost integrations to execute slash commands as another user. This vulnerability carries a high CVSS score of 8.8, indicating a network-based attack with low complexity that can lead to high impact on confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the CVE has garnered significant community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 8.13, < 16.5.6CPE match | cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:* | ||
>= 16.6, < 16.6.4CPE match | cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:* | ||
>= 16.7, < 16.7.2CPE match | cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:* | ||
>= 8.13.0, < 16.5.6CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | ||
>= 8.13.0, < 16.5.6CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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.