CVE-2023-33198

Name: CVE-2023-33198
Creator: NVD / NIST
Published: 2023-05-30T05:15:12.033+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.64%

Last modified Jun 17, 2026

CVE-2023-33198 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. tgstation-server is a production scale tool for BYOND server management. The DreamMaker API (DMAPI) chat channel cache can possibly be poisoned by a tgstation-server (TGS) restart and reattach. EPSS estimates a 0.64% chance of exploitation in the next 30 days.

Description

tgstation-server is a production scale tool for BYOND server management. The DreamMaker API (DMAPI) chat channel cache can possibly be poisoned by a tgstation-server (TGS) restart and reattach. This can result in sending chat messages to one of any of the configured IRC or Discord channels for the instance on enabled chat bots. This lasts until the instance's chat channels are updated in TGS or DreamDaemon is restarted. TGS chat commands are unaffected, custom or otherwise.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.64%

45.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-941

Affected Software

Vendor	Product	Versions
Tgstation13	Tgstation-Server	>= 4.0.0, < 5.12.2

References

https://github.com/tgstation/tgstation-server/pull/1493Patch, Vendor Advisory
https://github.com/tgstation/tgstation-server/releases/tag/tgstation-server-v5.12.2Release Notes
https://github.com/tgstation/tgstation-server/security/advisories/GHSA-p2xj-w57r-6f5mPatch, Vendor Advisory
https://github.com/tgstation/tgstation-server/pull/1493Patch, Vendor Advisory
https://github.com/tgstation/tgstation-server/releases/tag/tgstation-server-v5.12.2Release Notes
https://github.com/tgstation/tgstation-server/security/advisories/GHSA-p2xj-w57r-6f5mPatch, Vendor Advisory

Timeline

Published: May 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-33198?

How severe is CVE-2023-33198?

CVE-2023-33198 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.

How do I fix CVE-2023-33198?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-33198?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST