The SISCO OSI stack for Windows, as used by MMS-EASE 7.10 and earlier, AX-S4 MMS 5.01 and earlier, AX-S4 ICCP 3.0103 and earlier, and the ICCP Toolkit for MMS-EASE 4.10 and earlier, allows remote attackers to cause a denial of service (process crash) via certain network traffic, as demonstrated using a Nessus scan.