CVE-2011-0264: HP OpenView Network Node Manager

High severity, CVSS 10.0. EPSS: 17.1% chance of exploitation in the next 30 days.

Stack-based buffer overflow in ovutil.dll in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 allows remote attackers to execute arbitrary code via a long COOKIE variable.

Affected products

• HP OpenView Network Node Manager: version 7.51 only; version 7.53 only

Published 2011-01-13. Last modified 2026-06-16.