frmAddfolder.aspx in SmarterTools SmarterMail 1.6.1511 and 1.6.1529 allows remote authenticated users to create a folder that SmarterMail cannot delete or rename via a folder name with a null byte ("%00"). NOTE: it is not clear whether this issue poses a vulnerability.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 50.1%