medium6.5
CVE-2020-12521
On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS a specially crafted LLDP packet may lead to a high system load in the PROFINET stack.
Impact
On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS a specially crafted LLDP packet may lead to a high system load in the PROFINET stack. An attacker can cause failure of system services or a complete reboot.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Phoenixcontact | Plcnext Firmware | before 2021.0 |