๐Ÿ” CVE Alert

CVE-2026-33784

CRITICAL 9.8

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

CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
13th

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.

CWE CWE-1393
Vendor juniper networks
Product jsi lwc
Published Apr 9, 2026
Last Updated Apr 13, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

Juniper Networks / JSI LWC
0 < 3.0.94

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
kb.juniper.net: https://kb.juniper.net/JSA107871