CVE-1999-0067

phf CGI program allows remote command execution through shell metacharacters.

Published: 1996-03-20 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-1999-0067 is rated High Risk (75.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 86.87%, 100th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.04% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-1999-0067

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 85.83% 86.87% +1.04%
2 2026-05-12 89.04% 85.83% -3.21%
3 2026-04-27 89.04%

Full EPSS history (48 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0067

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-1999-0067

OS Trackers for CVE-1999-0067

vendor priority summary link
alpine CVE-1999-0067: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-1999-0067

Affected software / configurations for CVE-1999-0067

Vendor Product Version Raw CPE
apache http_server 1.0.3 cpe:2.3:a:apache:http_server:1.0.3:*:*:*:*:*:*:*
ncsa ncsa_httpd 1.5a cpe:2.3:a:ncsa:ncsa_httpd:1.5a:*:export:*:*:*:*:*

References for CVE-1999-0067

URL Tags
http://www.cert.org/advisories/CA-1996-06.html Third Party Advisory US Government Resource
http://www.osvdb.org/136 Broken Link
http://www.securityfocus.com/bid/629 Broken Link Third Party Advisory VDB Entry
cvelogic Threat Intelligence