CVE-2011-2962
Multiple stack-based buffer overflows in Invensys Wonderware Information Server 3.1, 4.0, and 4.0 SP1 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via two unspecified ActiveX controls.
Date published : 2011-07-29
http://www.securityfocus.com/bid/48976
http://www.us-cert.gov/control_systems/pdf/ICSA-11-195-01.pdf