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MailEnable SMTP Service HELO Command Remote DoS



The remote host is vulnerable to a Denial of Service (DoS) attack.


The remote host is running a vulnerable version of the MailEnable email server. While the details of the flaw are unknown, it is alleged that a remote attacker can create a query such that when the MailEnable server parses the query, the service crashes. Successful exploitation denies access to legitimate users.


Upgrade to MailEnable Professional 1.74 or higher, MailEnable Enterprise Edition 1.22 or higher, or Mailenable Standard 1.94 or higher.