Description
Improper Handling of URL Encoding (Hex Encoding) vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120, which fix the issue.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected products
- apache / Tomcat8.0.0
- Apache Software Foundation / Apache Tomcat11.0.0-M1 – 11.0.23
- Apache Software Foundation / Apache Tomcat10.1.0-M1 – 10.1.56
- Apache Software Foundation / Apache Tomcat9.0.0.M1 – 9.0.119
- Apache Software Foundation / Apache Tomcat8.5.0 – 8.5.100
- Apache Software Foundation / Apache Tomcat0 – 8.0.0
References
Updated 21m ago · 8 sources