CVE-2004-2422: Multiple features in Ipswitch IMail Server before 8.13 allow remote attackers to cause a denial of service...

Security readout for executives and security teams

CVE-2004-2422 is an old denial-of-service issue in Ipswitch IMail Server versions before 8.13. Remote attackers could crash affected services by sending overly long email fields. The main business risk is mail service disruption, not data theft, based on the supplied sources. Exposure is most likely where legacy Ipswitch IMail Server before 8.13 remains deployed, especially if Web Messaging or mail queue handling is reachable from untrusted networks. Prioritize remediation if legacy IMail Server is still in use or internet-facing. The issue can interrupt email availability, but supplied evidence does not support data compromise or active exploitation claims. Mitigation focus: Identify any Ipswitch IMail Server deployments and their exact versions.; Upgrade affected installations to version 8.13 or later per vendor-referenced fixes.; Restrict external access to Web Messaging where business use allows..

Prepared

Jun 29, 2026, 18:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.