CVE-2014-3813: Juniper Netscreen-5200

High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days.

Unspecified vulnerability in the Juniper Networks NetScreen Firewall products with ScreenOS before 6.3r17, when configured to use the internal DNS lookup client, allows remote attackers to cause a denial of service (crash and reboot) via vectors related to a DNS lookup.

Affected products

• Juniper Netscreen-5200
• Juniper Netscreen-5400
• Juniper ScreenOS: up to and including 6.3.0; version 6.0.0 only; version 6.1.0 only; version 6.2.0 only

Published 2014-06-13. Last modified 2026-06-17.