Improper initialization in Juniper Junos OS - CVE-2022-22186

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Due to an Improper Initialization vulnerability in Juniper Networks Junos OS on EX4650 devices, packets received on the management interface (em0) but not destined to the device, may be improperly forwarded to an egress interface, instead of being discarded.

Such traffic being sent by a client may appear genuine, but is non-standard in nature and should be considered as potentially malicious.

How to mitigate CVE-2022-22186

Sources

• https://supportportal.juniper.net/s/article/2022-04-Security-Bulletin-Junos-OS-EX4650-Series-Certain-traffic-received-by-the-Junos-OS-device-on-the-management-interface-may-be-forwarded-to-egress-interfaces-instead-of-discarded-CVE-2022-22186