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Apache Tomcat Case Sensitivity Vulnerability in CGI Servlet Allowing Security Constraint Bypass

Vulnerability

A vulnerability in Apache Tomcat's CGI servlet has been identified, allowing for a bypass of security constraints applied to the pathInfo component of a URI mapped to the CGI servlet. This issue arises from improper handling of case sensitivity, particularly on case-insensitive file systems. The vulnerability affects Apache Tomcat versions 11.0.0-M1 through 11.0.6, 10.1.0-M1 through 10.1.40, and 9.0.0.M1 through 9.0.104.

Impact

Exploitation of this vulnerability allows for the bypass of security constraints on CGI scripts, potentially leading to unauthorized access or execution of restricted actions.

Remediation

Users are advised to upgrade to Apache Tomcat versions 11.0.7, 10.1.41, or 9.0.105.

Added: Jun 5, 2025, 11:23 PM
Updated: Jun 5, 2025, 11:58 PM

Vulnerability Rating

Custom Algorithm
spread
8.8
impact
0.6
exploitability
7.6
remediation
7.7
relevance
0.0
threat
0.0
urgency
2.9
incentive
5.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.