CVE-2022-33939

Description

CENTUM VP / CS 3000 controller FCS (CP31, CP33, CP345, CP401, and CP451) contains an issue in processing communication packets, which may lead to resource consumption. If this vulnerability is exploited, an attacker may cause a denial of service (DoS) condition in ADL communication by sending a specially crafted packet to the affected product.

7.5

CVSS

Severity: High

CVSS 3.1 •

EPSS 0.14%

Vendor Advisory yokogawa.com Vendor Advisory yokogawa.com

Affected: Yokogawa Electric Corporation CENTUM VP / CS 3000 controller FCS

References

Link	Tags
https://web-material3.yokogawa.com/1/33029/files/YSAR-22-0008-E.pdf	vendor advisory
https://web-material3.yokogawa.com/19/33029/files/YSAR-22-0008-J.pdf	vendor advisory
https://jvn.jp/vu/JVNVU94343729/index.html	third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-33939?: CVE-2022-33939 has been scored as a high severity vulnerability.
How to fix CVE-2022-33939?: To fix CVE-2022-33939, 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-2022-33939 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-33939 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.
What software or system is affected by CVE-2022-33939?: CVE-2022-33939 affects Yokogawa Electric Corporation CENTUM VP / CS 3000 controller FCS.

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