CVE-2005-3733: Juniper Junos E

High severity, CVSS 7.5. EPSS: 5.4% chance of exploitation in the next 30 days.

The Internet Key Exchange version 1 (IKEv1) implementation in Juniper JUNOS and JUNOSe software for M, T, and J-series routers before release 6.4, and E-series routers before 7-1-0, allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1. NOTE: due to the lack of details in the advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.

Affected products

• Juniper Junos E: up to and including 7.0.0
• Juniper Junos J: up to and including 6.3
• Juniper Junos M: up to and including 6.3
• Juniper Junos T: up to and including 6.3
• Juniper Junose E: up to and including 7.0.0
• Juniper Junose J: up to and including 6.3
• Juniper Junose M: up to and including 6.3.0
• Juniper Junose T: up to and including 6.3

Published 2005-11-21. Last modified 2026-06-16.