Analysis Summary

CVE-2025-21589 CVSS:9.8

Juniper Networks Session Smart Router, Session Smart Conductor and WAN Assurance Managed Routers are vulnerable to an authentication bypass using an alternate path or channel vulnerability. A remote attacker could bypass authentication and take administrative control of the device.

CVE-2024-39564 CVSS:7.5

This is a similar, but different vulnerability than the issue reported as CVE-2024-39549. A double-free vulnerability in the routing process daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker to send a malformed BGP Path attribute update which allocates memory used to log the bad path attribute. This double free of memory is causing an rpd crash, leading to a Denial of Service (DoS). This issue affects: Junos OS: * from 22.4 before 22.4R3-S4.

Impact

• Security Bypass
• Denial of Service

Indicators of Compromise

CVE

• CVE-2025-21589

• CVE-2024-39564

Affected Vendors

Remediation

Refer to Juniper Networks Security Advisory for patch, upgrade, or suggested workaround information.

CVE-2025-21589

CVE-2024-39564