CVE-2017-12639: Ipswitch Imail Server

Critical severity, CVSS 9.8. EPSS: 2.5% chance of exploitation in the next 30 days.

Stack based buffer overflow in Ipswitch IMail server up to and including 12.5.5 allows remote attackers to execute arbitrary code via unspecified vectors in IMmailSrv, aka ETRE or ETCTERARED.

Affected products

• Ipswitch Imail Server: up to and including 12.5.5

Published 2017-10-03. Last modified 2026-06-17.