Improper Neutralization of Argument Delimiters in a Command in PHP - CVE-1999-0346
Published: June 8, 2025
Vulnerability identifier: #VU110632
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-1999-0346
CWE-ID: CWE-88
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: PHP Group
Affected software:
PHP
PHP
Detailed vulnerability description
The vulnerability allows a remote attacker to read arbitrary files on the system.
The vulnerability exists due to missing input validation within the CGI PHP mlog script. A remote non-authenticated attacker can read arbitrary files on the system via a specially crafted HTTP request.
How to mitigate CVE-1999-0346
Install updates from vendor's website.