Vulnerability record · CVE-2000-1177 · published 9 January 2001

CVE-2000-1177: Bb4 big brother network monitor vulnerability

Bb4 · Big Brother Network Monitor

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.

5.0 CVSS 2.0 Medium EPSS 8.0% · top 5.5%

5.0CVSS 2.0 base score

8.0%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

6References, 2 tagged exploit

16 Jun 2026Last modified by NVD

Description

AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Big Brother Network Monitor Bb4

References

Link	Tags
http://archives.neohapsis.com/archives/bugtraq/2000-11/0284.html	PatchVendor Advisory
http://bb4.com/incident.nov21
http://www.securityfocus.com/bid/1971	ExploitPatchVendor Advisory
http://archives.neohapsis.com/archives/bugtraq/2000-11/0284.html	PatchVendor Advisory
http://bb4.com/incident.nov21
http://www.securityfocus.com/bid/1971	ExploitPatchVendor Advisory

Track CVE-2000-1177 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2000-0978Bb4 big brother network monitor vulnerabilitybbd server in Big Brother System and Network Monitor before 1.5c2 allows remote attackers to execute arbitrary commands via the "&" shell metacharact…EPSS 3.3%19 Dec 2000

Source: NIST National Vulnerability Database (record CVE-2000-1177), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.