Apache Struts versions prior to 2.3.32 and 2.5.10.1 contain incorrect exception handling and error-message generation during file-upload attempts using the Jakarta Multipart parser, which allows remote attackers to execute arbitrary commands via a crafted Content-Type, Content-Disposition, or Content-Length HTTP header, as exploited in the wild in March 2017 with a Content-Type header containing a #cmd= string.
{ "nvd_published_at": "2017-03-11T02:59:00Z", "cwe_ids": [ "CWE-20", "CWE-755" ], "severity": "CRITICAL", "github_reviewed": true, "github_reviewed_at": "2020-06-16T21:42:23Z" }