CVE-2017-2321: Juniper Northstar Controller

High severity, CVSS 8.6. EPSS: 1.5% chance of exploitation in the next 30 days.

A vulnerability in Juniper Networks NorthStar Controller Application prior to version 2.1.0 Service Pack 1 may allow an unauthenticated, unprivileged, network-based attacker to cause various system services partial to full denials of services, modification of system states and files, and potential disclosure of sensitive information which may assist the attacker in further attacks on the system through the use of multiple attack vectors, including man-in-the-middle attacks, file injections, and malicious execution of commands causing out of bound memory conditions leading to other attacks.

Affected products

• Juniper Northstar Controller: up to and including 2.1.0

Published 2017-04-24. Last modified 2026-06-17.