The win32std extension in PHP 5.2.3 does not follow safe_mode and disable_functions restrictions, which allows remote attackers to execute arbitrary commands via the win_shell_execute function.
https://www.exploit-db.com/exploits/4218
https://exchange.xforce.ibmcloud.com/vulnerabilities/35604
Source: Mitre, NVD
Published: 2007-07-26
Updated: 2017-09-29
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical