| The Jakarta Multipart parser in Apache Struts 2 2.3.x before 2.3.32
and 2.5.x before 2.5.10.1 has incorrect exception handling and
error-message generation during file-upload attempts, 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.
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