CVE-2017-2300: Juniper Junos

High severity, CVSS 7.5. EPSS: 1.8% chance of exploitation in the next 30 days.

On Juniper Networks SRX Series Services Gateways chassis clusters running Junos OS 12.1X46 prior to 12.1X46-D65, 12.3X48 prior to 12.3X48-D40, 12.3X48 prior to 12.3X48-D60, flowd daemon on the primary node of an SRX Series chassis cluster may crash and restart when attempting to synchronize a multicast session created via crafted multicast packets.

Affected products

• Juniper Junos: up to and including 12.1x46; up to and including 12.3x48

Published 2017-05-30. Last modified 2026-06-17.