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Case File

CVE-2020-12521

MEDIUM · CVSS 6.5 EPSS 0.45%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-12-17 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. See the original NVD description below for full technical details.

CVE
CVE-2020-12521
Severity
MEDIUM
CVSS
6.5
EPSS
0.45%

Original NVD Description

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.

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