CVE-2011-2962: Invensys Wonderware Information Server

High severity, CVSS 9.3. EPSS: 4.6% chance of exploitation in the next 30 days.

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.

Affected products

• Invensys Wonderware Information Server: version 3.1 only; version 4.0 only

Published 2011-07-29. Last modified 2026-06-16.