CVE-1999-0066

CRITICAL

AnyForm - Remote Code Execution

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-1999-0066. PoCs published by Paul Phillips, HORKimhab.

AI-analyzed exploit summary This exploit leverages a command injection vulnerability in AnyForm CGI by embedding shell commands in the 'AnyFormTo' parameter, which is passed unsanitized to a system call. The semicolons in the input are interpreted as command delimiters, allowing arbitrary command execution.

Description

AnyForm CGI remote execution.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Paul Phillips · textremotelinux
https://www.exploit-db.com/exploits/19557

This exploit leverages a command injection vulnerability in AnyForm CGI by embedding shell commands in the 'AnyFormTo' parameter, which is passed unsanitized to a system call. The semicolons in the input are interpreted as command delimiters, allowing arbitrary command execution.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: AnyForm CGI (versions with unsanitized input handling)
No auth needed
Prerequisites: Access to a vulnerable AnyForm CGI endpoint · Ability to submit a crafted HTML form
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →
github STUB
by HORKimhab · shellpoc
https://github.com/HORKimhab/poc-cve-collection/tree/main/1999/0xxx/CVE-1999-0066.md

The repository contains a placeholder markdown file for CVE-1999-0066, a remote command execution vulnerability in AnyForm CGI. The file lacks any technical details, exploit code, or proof-of-concept implementation.

Classification
Stub 95%
Attack Type
Rce
Complexity
Unknown
Reliability
Theoretical
Target: AnyForm CGI (unspecified version)
No auth needed
Prerequisites: Access to a vulnerable AnyForm CGI installation
mistral-large-3 · analyzed Jul 14, 2026 Full analysis →

References (1)

Core 1
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/719

Scores

CVSS v3 9.8
EPSS 0.1243
EPSS Percentile 95.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

Status published
Products (2)
john_s._roberts/anyform 1.0
john_s._roberts/anyform 2.0
Published Jul 31, 1995
Tracked Since Feb 18, 2026