CVE-1999-0173

FormMail - Server-Side Request Forgery

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-1999-0173. PoCs published by anonymous.

AI-analyzed exploit summary This exploit leverages CVE-1999-0173 to abuse a remote FormMail script by injecting a command into the 'recipient' field, which executes arbitrary commands on the target system. The PoC demonstrates how an attacker can exfiltrate sensitive data (e.g., /etc/passwd) via email.

Description

FormMail CGI program can be used by web servers other than the host server that the program resides on.

Exploits (1)

exploitdb WORKING POC VERIFIED
by anonymous · htmlremoteunix
https://www.exploit-db.com/exploits/20486

This exploit leverages CVE-1999-0173 to abuse a remote FormMail script by injecting a command into the 'recipient' field, which executes arbitrary commands on the target system. The PoC demonstrates how an attacker can exfiltrate sensitive data (e.g., /etc/passwd) via email.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Matt Wright FormMail.pl (versions prior to fixes)
No auth needed
Prerequisites: Target server with vulnerable FormMail.pl script accessible · Outbound email connectivity from the target server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0173

Scores

EPSS 0.0483
EPSS Percentile 90.8%

Details

Status published
Products (1)
matt_wright/formmail
Published Jan 01, 1997
Tracked Since Feb 18, 2026