Redmine before 4.0.9, 4.1.x before 4.1.3, and 4.2.x before 4.2.1 allows users to circumvent the allowed filename extensions of uploaded attachments.
{ "cpes": [ "cpe:2.3:a:redmine:redmine:*:*:*:*:*:*:*:*" ], "severity": "Medium" }