SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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…

EXPLOIT ✓HIGH 7.5EPSS 9.49%

Does this matter?

A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 9.5%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.

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.

CVSS 2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
9.49% probability · 95th percentile
Public exploits
1 in Exploit-DB · verified · first 11 June 2001
CISA KEV
Not listed
Affected
sean macguire/big brother
Source
cve@mitre.org
EPSS trend
0%5%10%26 October 2026: 9.49%26 October 202626 October 2026

EPSS 9.5% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-20092source ↗Sean MacGuire Big Brother 1.0/1.3/1.4 - CGI File Creationcgi · xternallocal11 June 2001yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.