PAN-OS: Firewall Clusters using the MACsec Protocol Expose the Connectivity Association Key (CAK)

A problem with the implementation of the MACsec protocol in Palo Alto Networks PAN-OS® results in the cleartext exposure of the connectivity association key CAK. This issue is only applicable to PA-7500 Series devices which are in an NGFW cluster. A user who possesses this key can read messages...