The ResourceDownloadRewriteRule class in Crowd before version 4.0.4, and from version 4.1.0 before 4.1.2 allowed unauthenticated remote attackers to read arbitrary files within WEB-INF and META-INF directories via an incorrect path access check.

Affected versions:

• version < 4.0.4
• 4.10.0 ≤ version < 4.1.2

Fixed versions:

• 4.0.4
• 4.1.2

This vulnerability is attributed to Amit Laish, a security researcher from GE Digital.