CVE-2000-1177

Exp

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.

Published: 2001-01-09 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2000-1177 is rated High Exploit Risk (72.9/100): CVSS Medium severity, with high exploitation likelihood (EPSS 12.97%, 94th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +5.30% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2000-1177

EDB-ID Source Kind Published Link
20413 exploit_db edb 2000-11-20 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2000-1177

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-07 7.67% 12.97% +5.30%
2 2025-06-25 6.70% 7.67% +0.96%
3 2025-03-30 — 6.70% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2000-1177

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2000-1177

Affected software / configurations for CVE-2000-1177

Vendor Product Version Raw CPE
bb4 big_brother_network_monitor <= 1.5d2 cpe:2.3:a:bb4:big_brother_network_monitor:*:*:*:*:*:*:*:*

References for CVE-2000-1177

cvelogic Threat Intelligence