HIGH

CVE-2021-35397

CVSS v3

7.5

HIGH

EPSS Score

4.0 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2021-35397 yet.

Full record on NVD

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.

Technical details

Published: 2021-08-04

Frequently asked questions

What is CVE-2021-35397?

Is CVE-2021-35397 actively exploited?

Active exploitation of CVE-2021-35397 has not been confirmed. Its EPSS score was 4.0% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-35397?

CVE-2021-35397 has a CVSS v3 base score of 7.5 (HIGH severity).

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