Ipswitch Instant Messaging (IM) 2.0.8.1 and earlier allows remote attackers to cause a denial of service (NULL dereference and application crash) via a version field containing zero.
http://www.securityfocus.com/archive/1/487748/100/200/threaded
http://securityreason.com/securityalert/3697
http://secunia.com/advisories/28824
Source: Mitre, NVD
Published: 2008-02-25
Updated: 2026-06-16
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High
EPSS: 0.02963