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.
References
History

Mon, 13 Apr 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 10 Apr 2026 09:00:00 +0000

Type Values Removed Values Added
First Time appeared Juniper Networks
Juniper Networks jsi Lwc
Vendors & Products Juniper Networks
Juniper Networks jsi Lwc

Thu, 09 Apr 2026 22:00:00 +0000

Type Values Removed Values Added
Description 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.
Title JSI Virtual Lightweight Collector: Default password is not required to be changed which allows unauthorized high-privileged access
Weaknesses CWE-1393
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/AU:Y/R:U/RE:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: juniper

Published: 2026-04-09T21:36:37.519Z

Updated: 2026-04-13T18:06:19.017Z

Reserved: 2026-03-23T19:46:13.670Z

Link: CVE-2026-33784

cve-icon Vulnrichment

Updated: 2026-04-13T17:58:23.853Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-04-09T22:16:27.820

Modified: 2026-04-13T15:02:27.760

Link: CVE-2026-33784

cve-icon Redhat

No data.