CVE-2005-1907: Microsoft Isa Server

Medium severity, CVSS 5.0. EPSS: 19.3% chance of exploitation in the next 30 days.

The ISA Firewall service in Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to cause a denial of service (Wspsrv.exe crash) via a large amount of SecureNAT network traffic.

Affected products

• Microsoft Isa Server: version 2000 only

Published 2005-05-31. Last modified 2026-06-16.