Juniper Networks Apstra security vulnerabilities

Juniper Networks Apstra is a data center network automation and intent-driven management platform developed by Juniper Networks. Versions of Juniper Networks Apstra prior to 6.1.1 contained security vulnerabilities, which were due to insufficient SSH host key verification. These vulnerabilities...

CVE-2026-33771: Weak Password Requirements

A Weak Password Requirements vulnerability in the password management function of Juniper Networks CTP OS might allow an unauthenticated, network-based attacker to exploit weak passwords of local accounts and potentially take full control of the device. The password management menu enables the...

Juniper Networks Junos OS SRX code issue vulnerabilities

Juniper Networks Junos OS SRX is a network operating system specifically designed for hardware devices used by Juniper Networks. This operating system provides secure programming interfaces and the Junos SDK. There are code vulnerabilities in Juniper Networks Junos OS SRX, which stem from imprope...

Juniper Networks CTP OS security vulnerabilities

Juniper Networks CTP OS is an operating system used by Juniper Networks for migrating from circuit-to-packet networks. There are security vulnerabilities in Juniper Networks CTP OS versions 9.2R1 and 9.2R2. These vulnerabilities stem from weak password requirements in the password management...

Juniper Networks Support Insights Virtual Lightweight Collector security vulnerability

Juniper Networks Support Insights Virtual Lightweight Collector is a network device telemetry data collection and operational analysis tool developed by Juniper Networks. Versions of Juniper Networks Support Insights Virtual Lightweight Collector prior to version 3.0.94 contained security...

Juniper Networks Junos OS Evolved security vulnerabilities

Juniper Networks Junos OS Evolved is an upgraded version of Junos OS from Juniper Networks. There are security vulnerabilities in Junos OS Evolved, which stem from buffer overflow attacks and may lead to denial-of-service attacks. The following products and versions are affected: PTX Series...

Juniper Networks Junos OS and Juniper Networks Junos OS Evolved: Operating System Command Injection Vulnerabilities

Juniper Networks Junos OS and Juniper Networks Junos OS Evolved are both products of Juniper Networks, a US-based company. Juniper Networks Junos OS is a network operating system specifically designed for the company’s hardware devices. This operating system provides secure programming interfaces...

PT-2026-31748

A Missing Release of Memory after Effective Lifetime vulnerability in the BroadBand Edge subscriber management daemon bbe-smgd of Juniper Networks Junos OS on MX Series allows an adjacent, unauthenticated attacker to cause a Denial of Service DoS. If the authentication packet-type option is...

CVE-2025-13914: Key Exchange without Entity Authentication

A Key Exchange without Entity Authentication vulnerability in the SSH implementation of Juniper Networks Apstra allows a unauthenticated, MITM attacker to impersonate managed devices. Due to insufficient SSH host key validation an attacker can perform a machine-in-the-middle attack on the SSH...

CVE-2026-21915: Permissive List of Allowed Inputs

A Permissive List of Allowed Input vulnerability in the CLI of Juniper Networks Support Insights JSI Virtual Lightweight Collector vLWC allows a local, high privileged attacker to escalate their privileges to root. The CLI menu accepts input without carefully validating it, which allows for shell...

PT-2026-31752

An Improper Check for Unusual or Exceptional Conditions vulnerability in the chassis control daemon chassisd of Juniper Networks Junos OS on SRX1600, SRX2300 and SRX4300 allows a local attacker with low privileges to cause a complete Denial of Service DoS. When a specific 'show chassis' CLI comma...

CVE-2026-33784: Use of Default Password

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 ...

Juniper Networks Junos OS MX security vulnerabilities

Juniper Networks Junos OS MX is a network operating system specifically designed for hardware devices used by Juniper Networks. This operating system provides secure programming interfaces and the Junos SDK. There were security vulnerabilities in versions of Junos OS MX prior to 22.4R3-S1, as wel...

Juniper Networks Junos OS Access Control Vulnerability

Juniper Networks Junos OS is a network operating system specifically designed for hardware devices of the company Juniper Networks. This operating system provides secure programming interfaces and the Junos SDK. Versions of Junos OS prior to 22.4R3-S8, 23.2R2-S6, 23.4R2-S6, 24.2R2-S3, 24.4R2, and...

CVE-2026-21902

An Incorrect Permission Assignment for Critical Resource vulnerability in the On-Box Anomaly detection framework of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated, network-based attacker to execute code as root. The On-Box Anomaly detection framework should only be...

EUVD-2025-206381

An Authentication Bypass Using an Alternate Path or Channel vulnerability in Juniper Networks Session Smart Router may allows a network-based attacker to bypass authentication and take administrative control of the device. This issue affects Session Smart Router: from 5.6.7 before 5.6.17, from...

CVE-2025-21589 Session Smart Router, Session Smart Conductor, WAN Assurance Router: API Authentication Bypass vulnerability

An Authentication Bypass Using an Alternate Path or Channel vulnerability in Juniper Networks Session Smart Router may allows a network-based attacker to bypass authentication and take administrative control of the device. This issue affects Session Smart Router: from 5.6.7 before 5.6.17, from...

CVE-2025-21589

CVE-2025-21589 is an API authentication bypass vulnerability in Juniper Networks Session Smart Router, Session Smart Conductor, and WAN Assurance Routers. A network-based attacker could bypass authentication and gain administrative control. Affected versions include Session Smart Router: 5.6.7–5....

CVE-2025-21589: Authentication Bypass Using an Alternate Path or Channel

An Authentication Bypass Using an Alternate Path or Channel vulnerability in Juniper Networks Session Smart Router may allows a network-based attacker to bypass authentication and take administrative control of the device. This issue affects Session Smart Router: from 5.6.7 before 5.6.17, from...

CVE-2026-21917

An Improper Validation of Syntactic Correctness of Input vulnerability in the Web-Filtering module of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. If an SRX device configured for UTM Web-Filtering receives a specifical...