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    CVE-2026-33784

    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.

    Published:Apr 9, 2026
    Last Modified:Apr 13, 2026
    EPS:Apr 9, 2026
    EPSS Score:0.00041
    CVSS Score:9.8

    Affected Products

    Vendor
    Juniper Networks
    Product
    Jsi Lwc

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-1393 Use of Default Password

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High