CVE-2020-16136 Path traversal in n/a
Authenticated users can download arbitrary server files via directory traversal in log requests, exposing sensitive data to attackers with log access.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-16136?
CVE-2020-16136 is a high-severity path traversal vulnerability in n/a, published on 31 Jul 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In tgstation-server 4.4.0 and 4.4.1, an authenticated user with permission to download logs can download any file on the server machine (accessible by the owner of the server process) via directory traversal ../ sequences in /Administration/Logs/ requests. The attacker is unable to enumerate files, however.
Weakness: CWE-22
Which versions are affected by CVE-2020-16136?
It affects 1 product.
Products include Tgstation13 Tgstation-Server.
How do I fix CVE-2020-16136?
No fix has been published for CVE-2020-16136 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2020-16136 being exploited?
There is no known exploitation of CVE-2020-16136 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2018-17107 tgstation-server cached user logins in legacy server
- CVE-2025-21611 tgstation-server's role authorization incorrectly OR'd with user's enabled status
- CVE-2024-41799 tgstation-server's DreamMaker environment files outside the deployment directory can be compiled and ran by insufficiently permissioned users
- CVE-2023-32687 Insufficiently Protected ChatBot Credentials in tgstation-server
- CVE-2023-33198 Incorrectly Specified Chat Message Destinations in tgstation-server and DreamMaker API
Sources
Also known as GHSA-r8pp-42wr-2gc4.