CVE-2023-22407: Juniper Junos

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

An Incomplete Cleanup vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS). An rpd crash can occur when an MPLS TE tunnel configuration change occurs on a directly connected router. This issue affects: Juniper Networks Junos OS All versions prior to 18.4R2-S7; 19.1 versions prior to 19.1R3-S2; 19.2 versions prior to 19.2R3; 19.3 versions prior to 19.3R3; 19.4 versions prior to 19.4R3; 20.1 versions prior to 20.1R2; 20.2 versions prior to 20.2R2. Juniper Networks Junos OS Evolved All versions prior to 19.2R3-EVO; 19.3 versions prior to 19.3R3-EVO; 19.4 versions prior to 19.4R3-EVO; 20.1 versions prior to 20.1R3-EVO; 20.2 versions prior to 20.2R2-EVO.

Affected products

• Juniper Junos: before 18.4 (fixed in 18.4); version 18.4 only; version 19.1 only; version 19.2 only; version 19.3 only; version 19.4 only; …
• Juniper Junos OS Evolved: before 19.2 (fixed in 19.2); version 19.2 only; version 19.3 only; version 19.4 only; version 20.1 only; version 20.2 only

Published 2023-01-13. Last modified 2026-06-17.