CVE-2021-4305 - CVE House
Back to Database
Status published Low CVE-2021-4305

Woorank robots-txt-guard patterns.js makePathPattern redos

Vulnerability Description

A vulnerability was found in Woorank robots-txt-guard. It has been rated as problematic. Affected by this issue is the function makePathPattern of the file lib/patterns.js. The manipulation of the argument pattern leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be used. The name of the patch is c03827cd2f9933619c23894ce7c98401ea824020. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-217448.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-4305

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • VulDB GitHub Commit Analyzer

Affected Vendor

Affected Software

robots-txt-guard
Vulnerable Versions:
Unknown

Timeline

Official Publish: January 5th, 2023
Last Modified: November 25th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)