How severe is CVE-2000-0639?

CVE-2000-0639 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2000-0639 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0639?

CVE-2000-0639 primarily affects Sean Macguire Big Brother. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2000-0639?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2000-0639 published?

CVE-2000-0639 was published on 2000-06-11 and last updated on 2026-06-16.

CVE-2000-0639

CVE-2000-0639 is a high-severity vulnerability in Sean Macguire Big Brother with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sean Macguire Big Brother
Published: 2000-06-11
Last modified: 2026-06-16

Description

The default configuration of Big Brother 1.4h2 and earlier does not include proper access restrictions, which allows remote attackers to execute arbitrary commands by using bbd to upload a file whose extension will cause it to be executed as a CGI script by the web server.

Frequently asked questions

What is CVE-2000-0639?: The default configuration of Big Brother 1.4h2 and earlier does not include proper access restrictions, which allows remote attackers to execute arbitrary commands by using bbd to upload a file whose extension will cause it to be executed as a CGI script by the web server.
How severe is CVE-2000-0639?: CVE-2000-0639 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2000-0639 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0639?: CVE-2000-0639 primarily affects Sean Macguire Big Brother. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-0639?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2000-0639 published?: CVE-2000-0639 was published on 2000-06-11 and last updated on 2026-06-16.

References

Affected products (12)

cpe:2.3:a:sean_macguire:big_brother:1.0:*:*:*:*:*:*:*
cpe:2.3:a:sean_macguire:big_brother:1.1:*:*:*:*:*:*:*
cpe:2.3:a:sean_macguire:big_brother:1.2:*:*:*:*:*:*:*
cpe:2.3:a:sean_macguire:big_brother:1.3:*:*:*:*:*:*:*
cpe:2.3:a:sean_macguire:big_brother:1.3b:*:*:*:*:*:*:*
cpe:2.3:a:sean_macguire:big_brother:1.4:*:*:*:*:*:*:*
cpe:2.3:a:sean_macguire:big_brother:1.4g:*:*:*:*:*:*:*
cpe:2.3:a:sean_macguire:big_brother:1.4h:*:*:*:*:*:*:*
cpe:2.3:a:sean_macguire:big_brother:1.4h1:*:*:*:*:*:*:*
cpe:2.3:a:sean_macguire:big_brother:1.09b:*:*:*:*:*:*:*
cpe:2.3:a:sean_macguire:big_brother:1.09c:*:*:*:*:*:*:*
cpe:2.3:a:sean_macguire:big_brother:1.09d:*:*:*:*:*:*:*

More vulnerabilities in Sean Macguire Big Brother

CVE-2000-0638 — Critical (CVSS 10.0): bb-hostsvc.sh in Big Brother 1.4h1 and earlier allows remote attackers to read arbitrary files via a .. (dot dot)…
CVE-2000-0450 — High (CVSS 7.5): Vulnerability in bbd server in Big Brother System and Network Monitor allows an attacker to execute arbitrary commands.

All CVEs affecting Sean Macguire Big Brother →