CVE-2020-13238

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.18%
Vendor Advisory mitsubishielectric.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-001_en.pdf vendor advisory
http://jvn.jp/vu/JVNVU97662844/index.html third party advisory
https://www.us-cert.gov/ics/advisories/icsa-20-161-02 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2020-13238?
CVE-2020-13238 has been scored as a high severity vulnerability.
How to fix CVE-2020-13238?
To fix CVE-2020-13238, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-13238 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-13238 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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