CVE-2018-0048: Juniper Junos

High severity, CVSS 7.5. EPSS: 2.9% chance of exploitation in the next 30 days.

A vulnerability in the Routing Protocols Daemon (RPD) with Juniper Extension Toolkit (JET) support can allow a network based unauthenticated attacker to cause a severe memory exhaustion condition on the device. This can have an adverse impact on the system performance and availability. This issue only affects devices with JET support running Junos OS 17.2R1 and subsequent releases. Other versions of Junos OS are unaffected by this vulnerability. Affected releases are Juniper Networks Junos OS: 17.2 versions prior to 17.2R1-S7, 17.2R2-S6, 17.2R3; 17.2X75 versions prior to 17.2X75-D102, 17.2X75-D110; 17.3 versions prior to 17.3R2-S4, 17.3R3; 17.4 versions prior to 17.4R1-S5, 17.4R2; 18.1 versions prior to 18.1R2-S3, 18.1R3;

Affected products

• Juniper Junos: version 17.2 only; version 17.2x75 only; version 17.3 only; version 17.4 only; version 18.1 only

Published 2018-10-10. Last modified 2026-06-17.