CVE-2020-13238

high

Description

Mitsubishi MELSEC iQ-R Series PLCs with firmware 33 allow attackers to halt the industrial process by sending an unauthenticated crafted packet over the network, because this denial of service attack consumes excessive CPU time. After halting, physical access to the PLC is required in order to restore production.

References

https://www.us-cert.gov/ics/advisories/icsa-20-161-02

https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-001_en.pdf

http://jvn.jp/vu/JVNVU97662844/index.html

Details

Source: Mitre, NVD

Published: 2020-06-10

Updated: 2020-06-23

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High