CVE-2021-40875

HIGH EXPLOITED NUCLEI

Gurock TestRail <7.2.0.3014 - Info Disclosure

Title source: llm

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.

Exploits (2)

exploitdb WORKING POC

by Sick Codes · bashwebappsmultiple

https://www.exploit-db.com/exploits/50320

View Code ZIP pw:eip

nomisec WORKING POC 8 stars

by SakuraSamuraii · poc

https://github.com/SakuraSamuraii/derailed

View Code ZIP pw:eip

Nuclei Templates (1)

Gurock TestRail Application files.md5 Exposure

HIGHby oscarintherocks

Shodan: http.html:"TestRail" || http.html:"testrail"

FOFA: body="testrail"

References (4)

[Exploit, Third Party Advisory, VDB Entry] http://packetstormsecurity.com/files/164270/Gurock-Testrail-7.2.0.3014-Improper-Access-Control.html

[Third Party Advisory] https://github.com/SakuraSamuraii/derailed

[Exploit, Third Party Advisory] https://johnjhacking.com/blog/cve-2021-40875/

[Product, Vendor Advisory] https://www.gurock.com/testrail/tour/enterprise-edition

Scores

CVSS v3 7.5

EPSS 0.8111

EPSS Percentile 99.2%

Attack Vector NETWORK

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

Details

VulnCheck KEV 2025-08-18

CWE

CWE-425

Status published

Products (1)

gurock/testrail < 7.2.0.3014

Published Sep 22, 2021

Tracked Since Feb 18, 2026