CVE-2004-1391: Qnx Rtos

Medium severity, CVSS 4.6. EPSS: 0.6% chance of exploitation in the next 30 days.

Untrusted execution path vulnerability in the PPPoE daemon (PPPoEd) in QNX RTP 6.1 allows local users to execute arbitrary programs by modifying the PATH environment variable to point to a malicious mount program.

Affected products

• Qnx Rtos: version 6.1.0 only; version 6.1.0a only; version 6.2.0 only; version 6.2.1a only; version 6.2.1b only; version 6.3.0 only
• Qnx Rtp: version 6.1 only

Published 2004-12-31. Last modified 2026-06-16.