Description
The Mapper component in Apache Tomcat 6.x before 6.0.45, 7.x before 7.0.68, 8.x before 8.0.30, and 9.x before 9.0.0.M2 processes redirects before considering security constraints and Filters, which allows remote attackers to determine the existence of a directory via a URL that lacks a trailing / (slash) character.
Remediation
References
Related Vulnerabilities
Jboss EAP Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2016-7061)
ownCloud Permissions, Privileges, and Access Controls Vulnerability (CVE-2013-1963)
OpenVPN AS Improper Authentication Vulnerability (CVE-2020-15077)
Moodle Permissions, Privileges, and Access Controls Vulnerability (CVE-2009-4301)