CVE-2000-1177: BB4 Big Brother Network Monitor

Medium severity, CVSS 5.0. EPSS: 8% chance of exploitation in the next 30 days.

bb-hist.sh, bb-histlog.sh, bb-hostsvc.sh, bb-rep.sh, bb-replog.sh, and bb-ack.sh in Big Brother (BB) before 1.5d3 allows remote attackers to determine the existence of files and user ID's by specifying the target file in the HISTFILE parameter.

Affected products

• BB4 Big Brother Network Monitor: up to and including 1.5d2

Published 2001-01-09. Last modified 2026-06-16.