CVE-2022-22194: Juniper Junos OS Evolved

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packetIO daemon of Juniper Networks Junos OS Evolved on PTX10003, PTX10004, and PTX10008 allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). Continued receipt of these crafted packets will cause a sustained Denial of Service condition. This issue affects Juniper Networks Junos OS Evolved all versions prior to 20.4R2-S3-EVO on PTX10003, PTX10004, and PTX10008. This issue does not affect: Juniper Networks Junos OS Evolved versions 21.1R1-EVO and above; Juniper Networks Junos OS.

Affected products

• Juniper Junos OS Evolved: before 20.4 (fixed in 20.4); version 20.4 only

Published 2022-04-14. Last modified 2026-06-17.