CVE-2002-2040: Qnx Rtos

High severity, CVSS 7.2. EPSS: 1.1% chance of exploitation in the next 30 days.

The (1) phrafx and (2) phgrafx-startup programs in QNX realtime operating system (RTOS) 4.25 and 6.1.0 do not properly drop privileges before executing the system command, which allows local users to execute arbitrary commands by modifying the PATH environment variable to reference a malicious crttrap program.

Affected products

• Qnx Rtos: version 4.25 only; version 6.1.0 only

Published 2002-12-31. Last modified 2026-06-16.