CVE-2025-21589

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-21589
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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://kb.juniper.net/JSA94663
https://support.juniper.net/support/eol/software/ssr/
https://supportportal.juniper.net/
Configurations

No configuration.

History

15 Apr 2026, 14:34

Type Values Removed Values Added
Summary
  • (es) Una vulnerabilidad de omisión de autenticación usando una ruta o canal alternativo en el router Session Smart de Juniper Networks puede permitir a un atacante basado en la red omitir la autenticación y tomar el control administrativo del dispositivo. Este problema afecta al Router Session Smart: * desde 5.6.7 antes de 5.6.17, * desde 6.0 antes de 6.0.8 (afectado desde 6.0.8), * desde 6.1 antes de 6.1.12-lts, * desde 6.2 antes de 6.2.8-lts, * desde 6.3 antes de 6.3.3-r2; Este problema afecta al Conductor Session Smart: * desde 5.6.7 antes de 5.6.17, * desde 6.0 antes de 6.0.8 (afectado desde 6.0.8), * desde 6.1 antes de 6.1.12-lts, * desde 6.2 antes de 6.2.8-lts, * desde 6.3 antes de 6.3.3-r2; Este problema afecta a los Routers Gestionados de WAN Assurance: * desde 5.6.7 antes de 5.6.17, * desde 6.0 antes de 6.0.8 (afectado desde 6.0.8), * desde 6.1 antes de 6.1.12-lts, * desde 6.2 antes de 6.2.8-lts, * desde 6.3 antes de 6.3.3-r2.

27 Jan 2026, 21:15

Type Values Removed Values Added
New CVE
Information

Published : 2026-01-27 21:15

Updated : 2026-04-15 14:34

NVD link : CVE-2025-21589

Mitre link : CVE-2025-21589

CVE.ORG link : CVE-2025-21589

JSON object : View

Products Affected

No product.

CWE
CWE-288

Authentication Bypass Using an Alternate Path or Channel