CVE-2026-33784
CriticalCVSS 9.8Exploitation Probability (EPSS)
Low risk36th percentile - higher than 36% of all known CVEs
Summary
A Use of Default Password vulnerability in 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, and a change of this password is not enforced during provisioning. This issue affects all versions of vLWC before 3.0.94.
Risk Assessment
The organization is at risk of complete device takeover by an unauthorized network attacker, potentially leading to data breaches, integrity loss, and further compromise of the infrastructure.
Recommendation
Immediately upgrade vLWC software to version 3.0.94 or later and enforce changing the default password for the privileged account during initial setup.
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Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS