CVE-2005-1013

CVE-2005-1013 describes a denial-of-service vulnerability affecting MailEnable Enterprise 1.04 and earlier, and Professional 1.54 and earlier. A remote attacker can crash the SMTP service by sending an EHLO command containing a Unicode string. This vulnerability has a CVSS score of 5.0, indicating a medium severity, and can be exploited remotely with low attack complexity, resulting in a partial availability impact. While not listed on the CISA KEV catalog, exploit code is publicly available via ExploitDB, though there is minimal community discussion or media coverage surrounding this older vulnerability.