CVE-2011-0331: Honeywell Scanserver Activex Control

High severity, CVSS 9.3. EPSS: 4.5% chance of exploitation in the next 30 days.

Use-after-free vulnerability in the addOSPLext method in the Honeywell ScanServer ActiveX control 780.0.20.5 allows remote attackers to execute arbitrary code via a crafted HTML document.

Affected products

• Honeywell Scanserver Activex Control: version 780.0.20.5 only

Published 2011-03-22. Last modified 2026-06-16.