Path Traversal in Drogon
CVE-2021-35397
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.040 (90.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000
Affected products
- Drogon — versions 1.0.0
Weakness classification (CWE)
References
- github.com/an-tao/drogon (Third Party Advisory)
- github.com/an-tao/drogon/blob/834e3eabdd0441ad2bc80c02e8bbfc3b8312c213/lib/src/… (Exploit, Third Party Advisory)
- github.com/an-tao/drogon/wiki/ENG-02-Installation (Third Party Advisory)
- github.com/an-tao/drogon/wiki/ENG-03-Quick-Start (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-35397?
- CVE-2021-35397 is a high-severity vulnerability in Drogon, classified under Path Traversal. CVSS score: 7.5/10. Published 2021-08-04.
- How severe is CVE-2021-35397?
- High severity. CVSS v3 base score is 7.5 out of 10.