CVE-2006-6076: Broadcom Brightstor Arcserve Backup

High severity, CVSS 10.0. EPSS: 70.9% chance of exploitation in the next 30 days.

Buffer overflow in the Tape Engine (tapeeng.exe) in CA (formerly Computer Associates) BrightStor ARCserve Backup 11.5 and earlier allows remote attackers to execute arbitrary code via certain RPC requests to TCP port 6502.

Affected products

• Broadcom Brightstor Arcserve Backup: up to and including 11.5; version 11.1 only; version 11.5 only
• Ca Brightstor Arcserve Backup: version 11 only; version 11.1 only
• Ca Brightstor Arcserve Backup Agent: version 11.0 only; version 11.1 only

Published 2006-11-24. Last modified 2026-06-16.