CVE-2000-1177

Big Brother Network Monitor vulnerability

CVSS

5.0

EPSS

8.0%

EPSS pct

94th

Exploited

No known

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 vendor

Bb4

Affected product

Big Brother Network Monitor

CVSS vector

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

Published

2001-01-09

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality.

Its EPSS score of 8.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2000-1177

Confirm whether Bb4 Big Brother Network Monitor is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2000-1177.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2000-1177

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2000-1177 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2000-1177?

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