CVE-2024-21597

<br /> An Exposure of Resource to Wrong Sphere vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on MX Series allows an unauthenticated, network-based attacker to bypass the intended access restrictions.<br /> <br /> In an Abstracted Fabric (AF) scenario if routing-instances (RI) are configured, specific valid traffic destined to the device can bypass the configured lo0 firewall filters as it&amp;#39;s received in the wrong RI context.<br /> <br /> This issue affects Juniper Networks Junos OS on MX Series:<br /> <br /> <br /> <br /> * All versions earlier than 20.4R3-S9;<br /> * 21.2 versions earlier than 21.2R3-S3;<br /> * 21.4 versions earlier than 21.4R3-S5;<br /> * 22.1 versions earlier than 22.1R3;<br /> * 22.2 versions earlier than 22.2R3;<br /> * 22.3 versions earlier than 22.3R2.<br /> <br /> <br /> <br /> <br /> <br /> <br />