How severe is CVE-2020-16850?

This vulnerability has a severity rating of HIGH with a CVSS score of 7.5 out of 10.

What type of vulnerability is CVE-2020-16850?

This is classified as CWE-20, which is a common weakness in software security.

CVE-2020-16850

HIGH Year: 2020

CVSS v3 Score

7.5

High

CVSS v2 Score

7.8

High

Weakness Type

CWE-20

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Vulnerability Description

Mitsubishi MELSEC iQ-R Series PLCs with firmware 49 allow an unauthenticated attacker to halt the industrial process by sending a crafted packet over the network. This denial of service attack exposes Improper Input Validation. After halting, physical access to the PLC is required in order to restore production, and the device state is lost. This is related to R04CPU, RJ71GF11-T2, R04CPU, and RJ71GF11-T2.

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