CVE-2014-3817: Juniper Junos

High severity, CVSS 7.8. EPSS: 3.4% chance of exploitation in the next 30 days.

Juniper Junos 11.4 before 11.4R12, 12.1X44 before 12.1X44-D32, 12.1X45 before 12.1X45-D25, 12.1X46 before 12.1X46-D20, and 12.1X47 before 12.1X47-D10 on SRX Series devices, when NAT protocol translation from IPv4 to IPv6 is enabled, allows remote attackers to cause a denial of service (flowd hang or crash) via a crafted packet.

Affected products

• Juniper Junos: version 11.4 only; version 12.1x44 only; version 12.1x45 only; version 12.1x46 only; version 12.1x47 only
• Juniper SRX100
• Juniper SRX110
• Juniper SRX1400
• Juniper SRX210
• Juniper SRX220
• Juniper SRX240
• Juniper SRX3400
• Juniper SRX3600
• Juniper SRX550
• Juniper SRX5600
• Juniper SRX5800
• Juniper SRX650

Published 2014-07-11. Last modified 2026-06-17.