CVE-2025-21589
Published: Jan 27, 2026
Modified: Jan 27, 2026
CVSS v3.1
9.8
Description
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 6.0 before 6.0.8 (affected from 6.0.8), * from 6.1 before 6.1.12-lts, * from 6.2 before 6.2.8-lts, * from 6.3 before 6.3.3-r2; This issue affects Session Smart Conductor: * from 5.6.7 before 5.6.17, * from 6.0 before 6.0.8 (affected from 6.0.8), * from 6.1 before 6.1.12-lts, * from 6.2 before 6.2.8-lts, * from 6.3 before 6.3.3-r2; This issue affects WAN Assurance Managed Routers: * from 5.6.7 before 5.6.17, * from 6.0 before 6.0.8 (affected from 6.0.8), * from 6.1 before 6.1.12-lts, * from 6.2 before 6.2.8-lts, * from 6.3 before 6.3.3-r2.
| Vendor | Product | Versions |
|---|---|---|
Juniper Networks | Session Smart Router | affected 5.6.7 - < 5.6.17unaffected 6.0 - < 6.0.8affected 6.1 - < 6.1.12-ltsaffected 6.2 - < 6.2.8-ltsaffected 6.3 - < 6.3.3-r2 |
Juniper Networks | Session Smart Conductor | affected 5.6.7 - < 5.6.17unaffected 6.0 - < 6.0.8affected 6.1 - < 6.1.12-ltsaffected 6.2 - < 6.2.8-ltsaffected 6.3 - < 6.3.3-r2 |
Juniper Networks | WAN Assurance Managed Router | affected 5.6.7 - < 5.6.17unaffected 6.0 - < 6.0.8affected 6.1 - < 6.1.12-ltsaffected 6.2 - < 6.2.8-ltsaffected 6.3 - < 6.3.3-r2 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
Security Training
Train your team to recognize and prevent security threats with our comprehensive security awareness program.
Start TrainingVulnerability Scanning
Discover vulnerabilities in your applications and infrastructure before attackers do.
Scan Now