CVE-2022-29951

Description

JTEKT TOYOPUC PLCs through 2022-04-29 mishandle authentication. They utilize the CMPLink/TCP protocol (configurable on ports 1024-65534 on either TCP or UDP) for a wide variety of engineering purposes such as starting and stopping the PLC, downloading and uploading projects, and changing configuration settings. This protocol does not have any authentication features, allowing any attacker capable of communicating with the port in question to invoke (a subset of) desired functionality.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.27%
Third-Party Advisory cisa.gov Third-Party Advisory forescout.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.forescout.com/blog/ third party advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-02 third party advisory mitigation us government resource

Frequently Asked Questions

What is the severity of CVE-2022-29951?
CVE-2022-29951 has been scored as a critical severity vulnerability.
How to fix CVE-2022-29951?
To fix CVE-2022-29951, 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-2022-29951 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-29951 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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