CVE-2021-40875 EXPLOIT
7.5
HIGH · CVSS 3.1 · EPSS 47.5% (pctl 99)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.5 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| EPSS | 47.49% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-425 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2021-09-22 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| gurock | testrail |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Gurock Testrail 7.2.0.3014 - 'files.md5' Improper Access Control | 2021-09-23 |
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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