In Apache Tapestry from 5.4.0 to 5.5.0, crafting specific URLs, an attacker can download files inside the WEB-INF folder of the WAR being run.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13953
Reference (s):
- https://lists.apache.org/thread.html/r50eb12e8a12074a9b7ed63cbab91d180d19cc23dc1da3ed5b6e1280f%40%3Cusers.tapestry.apache.org%3E
- URL: https://lists.apache.org/thread.html/r50eb12e8a12074a9b7ed63cbab91d180d19cc23dc1da3ed5b6e1280f%40%3Cusers.tapestry.apache.org%3E
- MLIST:[oss-security] 20210427 CVE-2021-30638: An Information Disclosure due to insufficient input validation exists in Apache Tapestry 5.4.0 and later
- URL: http://www.openwall.com/lists/oss-security/2021/04/27/3
- MLIST:[tapestry-users] 20210427 CVE-2021-30638: An Information Disclosure due to insufficient input validation exists in Apache Tapestry 5.4.0 and later

