What’s Vulnerable › Vulnerabilities

CVE-2021-40875

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 47.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-09-22 · updated 2026-06-17
• Weakness: CWE-425

Description

Improper Access Control in Gurock TestRail versions < 7.2.0.3014 resulted in sensitive information exposure. A threat actor can access the /files.md5 file on the client side of a Gurock TestRail application, disclosing a full list of application files and the corresponding file paths. The corresponding file paths can be tested, and in some cases, result in the disclosure of hardcoded credentials, API keys, or other sensitive data.

Affected products

• Gurock Testrail: before 7.2.0.3014 — fixed in 7.2.0.3014

How to fix

Upgrade to a fixed version: Gurock Testrail 7.2.0.3014. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/164270/Gurock-Testrail-7.2.0.3014-Improper-Access-Control.html
• https://github.com/SakuraSamuraii/derailed
• https://johnjhacking.com/blog/cve-2021-40875/
• https://www.gurock.com/testrail/tour/enterprise-edition
• http://packetstormsecurity.com/files/164270/Gurock-Testrail-7.2.0.3014-Improper-Access-Control.html
• https://github.com/SakuraSamuraii/derailed
• https://johnjhacking.com/blog/cve-2021-40875/
• https://www.gurock.com/testrail/tour/enterprise-edition

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