HOMEVULNERABILITIESCVE-2000-0639
HIGHPOC

CVE-2000-0639

NVD-CWE-OtherPublished: June 11, 2000· Updated: Jun 16, 2026

7.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2000-0639 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2000-0639. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected Vendors & Products

sean_macguire1 product(s)
big brother
Source: NVD CPE · 12 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttp://archives.neohapsis.com/archives/bugtraq/2000-07/0171.html
PATCHhttp://archives.neohapsis.com/archives/bugtraq/2000-07/0171.html
ADVISORYhttp://www.securityfocus.com/bid/1494
ADVISORYhttp://www.securityfocus.com/bid/1494

All References (8)

→
http://archives.neohapsis.com/archives/bugtraq/2000-07/0171.htmlPatch · Vendor Advisory
→
http://www.osvdb.org/1472
→
http://www.securityfocus.com/bid/1494Exploit · Vendor Advisory
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/5103
→
http://archives.neohapsis.com/archives/bugtraq/2000-07/0171.htmlPatch · Vendor Advisory
→
http://www.osvdb.org/1472
→
http://www.securityfocus.com/bid/1494Exploit · Vendor Advisory
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/5103

Quick Facts

CVE IDCVE-2000-0639
CVSS Score7.5 / 10
SeverityHIGH
WeaknessNVD-CWE-Other
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedJun 11, 2000

Related CVEs (NVD-CWE-Other)

CVE-2007-3629
10.0
CVE-2002-0773
10.0
CVE-2007-1024
10.0
CVE-2006-1123
10.0
CVE-2006-6355
10.0
CVE-2007-3824
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2000-0639 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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