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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.197
EPSS Ranking 95.1%