CVE-2020-16136
CVE-2020-16136 is a high-severity vulnerability in Tgstation13 Tgstation-server with a CVSS 3.x base score of 7.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 7.7)
- CVSS v2: 6.8
- EPSS exploit prediction: 2% (80th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Tgstation13 Tgstation-server
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2020-16136?
- 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.
- How severe is CVE-2020-16136?
- CVE-2020-16136 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2020-16136 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-16136?
- CVE-2020-16136 primarily affects Tgstation13 Tgstation-server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-16136?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-16136 published?
- CVE-2020-16136 was published on 2020-07-31 and last updated on 2026-06-17.
References
- https://github.com/tgstation/tgstation-server
- https://github.com/tgstation/tgstation-server/security/advisories/GHSA-r8pp-42wr-2gc4
Affected products (2)
- cpe:2.3:a:tgstation13:tgstation-server:4.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:tgstation13:tgstation-server:4.4.1:*:*:*:*:*:*:*
More vulnerabilities in Tgstation13 Tgstation-server
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- CVE-2025-21611 — High (CVSS 8.8): tgstation-server is a production scale tool for BYOND server management. Prior to 6.12.3, roles used to authorize API…
- CVE-2024-41799 — High (CVSS 8.4): tgstation-server is a production scale tool for BYOND server management. Prior to 6.8.0, low permission users using the…
- CVE-2023-32687 — High (CVSS 7.7): tgstation-server is a toolset to manage production BYOND servers. Starting in version 4.7.0 and prior to 5.12.1,…
- CVE-2023-33198 — Medium (CVSS 6.1): tgstation-server is a production scale tool for BYOND server management. The DreamMaker API (DMAPI) chat channel cache…
- CVE-2023-34243 — Medium (CVSS 5.8): TGstation is a toolset to manage production BYOND servers. In affected versions if a Windows user was registered in…
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