VDB
CVE-2026-33784
CVE-2026-33784
PUBLISHED
CVSS 9.800000190734863 CRITICAL
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.
EPSS 0.06% · 18.8th percentile
Risk Scores
CVSS v3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.06%
18.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Juniper Networks | JSI LWC | 0 |
Timeline
- Apr 9, 2026 CVE Published
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score
- May 26, 2026 EPSS Score
- May 27, 2026 EPSS Score
- May 28, 2026 EPSS Score
References
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-SRX-Series-MX-Series-When-a-specifically-malformed-first-ISAKMP-packet-is-received-kmd-iked-crashes-CVE-2026-33778 advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-CTP-OS-Configuring-password-requirements-does-not-work-which-permits-the-use-of-weak-passwords-CVE-2026-33771 advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-Privileged-local-user-can-gain-access-to-a-Linux-based-FPC-as-root-CVE-2025-30650 advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-SRX-Series-Insufficient-certificate-verification-for-device-to-SD-cloud-communication-CVE-2026-33779 advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-CVE-2022-24805-resolved-in-net-SNMP advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-MX-Series-Missing-Authorization-for-specific-request-CLI-commands-in-a-JDM-CSDS-scenario-CVE-2026-33785 advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-EX-Series-QFX-Series-In-a-VXLAN-scenario-when-specific-control-protocol-packets-are-received-memory-leaks-and-eventually-no-traffic-is-passed-CVE-2026-33781 advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-MX-Series-Mismatch-between-configured-and-received-packet-types-causes-memory-leak-in-bbe-smgd-CVE-2026-33775 advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-MX-Series-Firewall-filters-on-lo0-non-0-in-the-default-routing-instance-are-not-in-effect-CVE-2026-33774 advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-SRX1600-SRX2300-SRX4300-When-a-specific-show-command-is-executed-chassisd-crashes-CVE-2026-33786 advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-vLWC-Default-password-is-not-required-to-be-changed-which-allows-unauthorized-high-privileged-access-CVE-2026-33784 advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-MX-Series-In-specific-DHCPv6-scenarios-jdhcpd-memory-increases-continuously-with-subscriber-logouts-CVE-2026-33782 advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-EX-Series-QFX-Series-If-the-same-egress-filter-is-configured-on-both-an-IRB-and-a-physical-interface-one-of-those-is-not-applied-CVE-2026-33773 advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-A-high-frequency-of-connecting-and-disconnecting-netconf-sessions-causes-management-unavailability-CVE-2026-21919 advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-An-attacker-sending-a-specific-genuine-BGP-packet-causes-a-BGP-reset-CVE-2026-33797 advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Specific-low-privileged-CLI-command-exposes-sensitive-information-CVE-2026-33776 advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-SRX1500-SRX4100-SRX4200-SRX4600-When-a-specific-show-command-is-executed-chassisd-crashes-CVE-2026-33787 advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-SRX-Series-In-a-NAT64-configuration-receipt-of-a-specific-malformed-ICMPv6-packet-will-cause-the-srxpfe-process-to-crash-and-restart-CVE-2026-33790 advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Execution-of-crafted-CLI-commands-allows-for-arbitrary-shell-injection-as-root-CVE-2026-33791 advisory
- https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-A-low-privileged-user-can-escalate-their-privileges-so-that-they-can-login-as-root-CVE-2026-21916 advisory
…and 6 more