Juniper Networks Virtual Lightweight Collector vulnerabilities

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Published CVEs affecting Juniper Networks Virtual Lightweight Collector: 2 record(s), with affected versions and fixes.
cpe:2.3:a:juniper:virtual_lightweight_collector

CVE-2026-33784 Critical · 9.8 CWE-1393 Apr 9, 2026

JSI Virtual Lightweight Collector: Default password is not required to be changed which allows unauthorized high-privileged access

A Use of Default Password vulnerability in the Juniper Networks Support Insights (JSI) Virtual Lightweight Collector (vLWC) allows an unauthenticated, network-based attacker to take full control of the device. vLWC software images ship with an initial password for a high privileged account. A change of this password is not enforced during the provisioning of the software, which can make full access to the system by unauthorized actors possible.This issue affects all versions of vLWC before 3.0.94.

CVE-2026-21915 Medium · 6.7 CWE-78 Apr 9, 2026

JSI Virtual Lightweight Collector: Shell escape allows privilege escalation to root

A Permissive List of Allowed Input vulnerability in the CLI of Juniper Networks Support Insights (JSI) Virtual Lightweight Collector (vLWC) allows a local, high privileged attacker to escalate their privileges to root. The CLI menu accepts input without carefully validating it, which allows for shell command injection. These shell commands are executed with root permissions and can be used to gain complete control of the system. This issue affects all JSI vLWC versions before 3.0.94.