How severe is CVE-2000-1177?

CVE-2000-1177 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2000-1177 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-1177?

CVE-2000-1177 affects Bb4 Big Brother Network Monitor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2000-1177?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2000-1177 published?

CVE-2000-1177 was published on 2001-01-09 and last updated on 2026-06-16.

CVE-2000-1177

CVE-2000-1177 is a medium-severity vulnerability in Bb4 Big Brother Network Monitor with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Bb4 Big Brother Network Monitor
Published: 2001-01-09
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2000-1177?: 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.
How severe is CVE-2000-1177?: CVE-2000-1177 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2000-1177 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-1177?: CVE-2000-1177 affects Bb4 Big Brother Network Monitor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2000-1177?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2000-1177 published?: CVE-2000-1177 was published on 2001-01-09 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:bb4:big_brother_network_monitor:*:*:*:*:*:*:*:*

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