CVE-2006-5177: Mailenable Enterprise

High severity, CVSS 9.3. EPSS: 7.1% chance of exploitation in the next 30 days.

The NTLM authentication in MailEnable Professional 2.0 and Enterprise 2.0 allows remote attackers to (1) execute arbitrary code via unspecified vectors involving crafted base64 encoded NTLM Type 3 messages, or (2) cause a denial of service via crafted base64 encoded NTLM Type 1 messages, which trigger a buffer over-read.

Affected products

• Mailenable Mailenable Enterprise: version 2.0 only
• Mailenable Mailenable Professional: version 2.0 only

Published 2006-10-10. Last modified 2026-06-16.