CVE-2004-2125: Iss Blackice Agent Server

Medium severity, CVSS 4.6. EPSS: 0.4% chance of exploitation in the next 30 days.

Buffer overflow in blackd.exe for BlackICE PC Protection 3.6 and other versions before 3.6.ccb, with application protection off, allows local users to gain system privileges by modifying the .INI file to contain a long packetLog.fileprefix value.

Affected products

• Iss Blackice Agent Server: version 3.6eca only
• Iss Blackice Pc Protection: version 3.6cbd only
• Iss Blackice Server Protection: version 3.6cbz only
• Iss Realsecure Desktop: version 3.6eca only; version 7.0ebg only

Published 2004-12-31. Last modified 2026-06-16.