CVE-2011-2662: Novell Groupwise

High severity, CVSS 10.0. EPSS: 4.1% chance of exploitation in the next 30 days.

Integer signedness error in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before HP3 allows remote attackers to execute arbitrary code via a negative BYWEEKNO property in a weekly RRULE variable in a VCALENDAR attachment in an e-mail message.

Affected products

• Novell Groupwise: version 8.0 only

Published 2011-10-08. Last modified 2026-06-16.