CVE-2026-102063: Junos OS 0 to before 23.2R2-S7.7, 23.4 to before 23.4R2-S8.13, 24.2 to before 24.2R2-S5.5, 24.4 to before 24.4R2-S5…

Affected technology

Junos OS · 0 to before 23.2R2-S7.7, 23.4 to before 23.4R2-S8.13, 24.2 to before 24.2R2-S5.5, 24.4 to before 24.4R2-S5, 25.2 to before 25.2R2-S2, 25.4 to before 25.4R1-S3, 26.2 to before 26.2R1-S2
Juniper Networks

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Adjacent network · No privileges required · No user interaction required

What an attacker can do

An unauthenticated network attacker can cause a denial of service via an eBGP route update when HFRR link protection is configured in a VRF. Vendor/CNA’s CVSS 4.0 assessment (base score 7.1/10) rates confidentiality and integrity impact as none; availability impact as high.