CVE-2001-1247: PHP

Medium severity, CVSS 6.4. EPSS: 9.4% chance of exploitation in the next 30 days.

PHP 4.0.4pl1 and 4.0.5 in safe mode allows remote attackers to read and write files owned by the web server UID by uploading a PHP script that uses the error_log function to access the files.

Affected products

• PHP PHP: version 4.0.4pl1 only; version 4.0.5 only

Published 2001-12-06. Last modified 2026-06-16.