CVE Vulnerability

CVE-2020-13238

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.

7.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
http://jvn.jp/vu/JVNVU97662844/index.html Third Party Advisory
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-001_en.pdf Vendor Advisory
https://www.us-cert.gov/ics/advisories/icsa-20-161-02 Third Party Advisory US Government Resource
Configurations

Configuration 1
Information

Published : 2020-06-10 08:15

Updated : 2020-06-23 03:43

NVD link : CVE-2020-13238

Mitre link : CVE-2020-13238

Products Affected
No products.
CWE
CWE-400