CyberRota Analysis
AI-GeneratedAn improper handling of undefined parameters vulnerability in the packet forwarding engine of Junos OS affects Juniper Networks EX Series devices, allowing authenticated attackers with low privileges to trigger a Denial-of-Service (DoS) condition. This occurs when an unsupported telemetry sensor path is accessed via gRPC, resulting in a crash of the forwarding component and a complete service outage until the module restarts. Organizations using affected EX2300, EX3400, EX4000, EX4100, and EX4400 devices should prioritize applying updates to versions 23.2R2-S7, 23.4R2-S8, 24.2R2-S5, and 24.4R2 to mitigate this risk.
Original NVD Description
An Improper Handling of Undefined Parameters vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on EX Series devices allows an authenticated attacker with low privileges to cause a Denial-of-Service (DoS). If an attempt is made to subscribe to an unsupported telemetry sensor path on EX2300, EX3400, EX4000, EX4100 and EX4400 via gRPC, this causes the FPC to crash. This leads to a complete service outage until the module has automatically restarted. The following log message can be seen when this issue happens: agentd[<PID>]: AGENTD_RESOURCE_NOT_FOUND: No resource name found for <sensor> This issue affects Junos OS on EX2300, EX3400, EX4000, EX4100 and EX4400 devices: * all versions before 23.2R2-S7, * 23.4 versions before 23.4R2-S8, * 24.2 versions before 24.2R2-S5, * 24.4 versions before 24.4R2.
Related CVEs
Other vulnerabilities affecting the same vendor(s)