---
id: CVE-1999-0067
title: phf CGI program allows remote command execution through shell metacharacters.
summary: phf CGI program allows remote command execution through shell metacharacters.
severity: critical
cvss: 10
cvssVector: 'AV:N/AC:L/Au:N/C:C/I:C/A:C'
cwe:
  - CWE-78
published: '1996-03-20'
updated: '2026-06-16'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-1999-0067'
references:
  - url: 'http://www.cert.org/advisories/CA-1996-06.html'
    label: cve@mitre.org
  - url: 'http://www.osvdb.org/136'
    label: cve@mitre.org
  - url: 'http://www.securityfocus.com/bid/629'
    label: cve@mitre.org
  - url: 'http://www.cert.org/advisories/CA-1996-06.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.osvdb.org/136'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.securityfocus.com/bid/629'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.86871
epssPercentile: 0.99738
ingestedAt: '2026-06-22T15:59:08.065Z'
---

## Overview

phf CGI program allows remote command execution through shell metacharacters.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.