#VU102467 Improper privilege management in tgstation-server - CVE-2025-21611

Vulnerability identifier: #VU102467

Vulnerability risk: Medium

CVSSv4.0: 6.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-21611

CWE-ID: CWE-269

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
tgstation-server
Server applications / Other server solutions

Vendor: tgstation13.org

Description

The vulnerability allows a remote user to escalate privileges within the application.

The vulnerability exists due to improper privilege management within authorization API methods. A remote user can execute arbitrary actions regardless of their permission.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

tgstation-server: 6.11.0 - 6.12.2

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External links
https://github.com/tgstation/tgstation-server/commit/e7b1189620baaf03c2d23f6e164d07c7c7d87d57
https://github.com/tgstation/tgstation-server/issues/2064
https://github.com/tgstation/tgstation-server/security/advisories/GHSA-rf5r-q276-vrc4

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.