CVE-2009-4025: PEAR

High severity, CVSS 10.0. EPSS: 6.1% chance of exploitation in the next 30 days.

Argument injection vulnerability in the traceroute function in Traceroute.php in the Net_Traceroute package before 0.21.2 for PEAR allows remote attackers to execute arbitrary shell commands via the host parameter. NOTE: some of these details are obtained from third party information.

Affected products

• PEAR PEAR: up to and including 0.21.1; version 0.11 only; version 0.20 only; version 0.21 only

Published 2009-11-29. Last modified 2026-06-16.