CVE-2020-12521CWE-20

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.

Medium · published December 17, 2020

CVSS v3.1
6.5
EPSS
0%
Percentile
38.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00459 · 38.8th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2020-12-17T22:43Z
EPSS history
Timeline
  • 17 DEC 22:43Z
    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.
    cvelistv5