Security readout for executives and security teams
A very old flaw in the phf CGI program lets an attacker crash the program and run their own commands on the web server by sending a specially crafted request with many arguments and a long MIME header. The phf script was a common example CGI shipped with early web servers and has been considered obsolete for over two decades. Modern environments are unlikely to still expose it, but any legacy system that does would face full remote compromise of the web process. Extremely limited today. phf shipped with early NCSA/Apache CGI examples in the 1990s; it should not be present on any modern web server. Exposure is realistic only on unmaintained legacy Unix web hosts, appliance firmware, or archived environments still serving cgi-bin content that includes phf. Low priority for modern estates. Treat as a legacy hygiene check: confirm no forgotten Unix web servers or appliances still expose phf. If any are found, remediation is straightforward removal and does not require a formal patch cycle. No evidence of current active exploitation was cited. Mitigation focus: Remove phf and any other legacy example CGI scripts from cgi-bin directories on all web servers.; Retire or upgrade any web server still running unmaintained 1990s-era CGI stacks.; Restrict cgi-bin execution to an explicit allowlist of vetted, actively maintained scripts..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2000-1186 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- phf-cgi-bo(5970)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.