High severity7.5NVD Advisory· Published Aug 4, 2021· Updated Jun 17, 2026
CVE-2021-35397
CVE-2021-35397
Description
A path traversal vulnerability in the static router for Drogon from 1.0.0-beta14 to 1.6.0 could allow an unauthenticated, remote attacker to arbitrarily read files. The vulnerability is due to lack of proper input validation for requested path. An attacker could exploit this vulnerability by sending crafted HTTP request with specific path to read. Successful exploitation could allow the attacker to read files that should be restricted.
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Affected products
2- Drogon/Drogondescription
Patches
Vulnerability mechanics
References
1- github.com/an-tao/drogon/blob/834e3eabdd0441ad2bc80c02e8bbfc3b8312c213/lib/src/StaticFileRouter.ccnvdExploitThird Party Advisory
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