Vulnerability Database

322,129

Total vulnerabilities in the database

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.

  • Published: Jan 27, 2026
  • Updated: Jan 28, 2026
  • CVE: CVE-2025-21589
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.8
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWEs: