CVE-2022-33939

Name: CVE-2022-33939
Creator: NVD / NIST
Published: 2022-08-16T08:15:07.477+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.97%

Last modified Jun 17, 2026

CVE-2022-33939 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.97%

57.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Yokogawa	Centum Cs 3000 Cp401 Firmware	All versions
Yokogawa	Centum Cs 3000 Cp451 Firmware	All versions
Yokogawa	Centum Cs 3000 Cp33 Firmware	All versions
Yokogawa	Centum Cs 3000 Cp345 Firmware	All versions
Yokogawa	Centum Cs 3000 Cp31 Firmware	All versions
Yokogawa	Centum Vp 3000 Cp401 Firmware	>= r4.01.00, <= r4.03.00
Yokogawa	Centum Vp 3000 Cp401 Firmware	>= r5.01.00, < r5.04.78
Yokogawa	Centum Vp 3000 Cp401 Firmware	>= r6.01.00, < r6.03.10
Yokogawa	Centum Vp 3000 Cp451 Firmware	>= r4.01.00, <= r4.03.00
Yokogawa	Centum Vp 3000 Cp451 Firmware	>= r5.01.00, < r5.04.78
Yokogawa	Centum Vp 3000 Cp451 Firmware	>= r6.01.00, < r6.03.10

References

https://jvn.jp/vu/JVNVU94343729/index.htmlThird Party Advisory
https://web-material3.yokogawa.com/1/33029/files/YSAR-22-0008-E.pdfVendor Advisory
https://web-material3.yokogawa.com/19/33029/files/YSAR-22-0008-J.pdfVendor Advisory
https://jvn.jp/vu/JVNVU94343729/index.htmlThird Party Advisory
https://web-material3.yokogawa.com/1/33029/files/YSAR-22-0008-E.pdfVendor Advisory
https://web-material3.yokogawa.com/19/33029/files/YSAR-22-0008-J.pdfVendor Advisory

Timeline

Published: Aug 16, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-33939?

How severe is CVE-2022-33939?

CVE-2022-33939 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.

How do I fix CVE-2022-33939?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-33939?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST