CVE-2022-33939

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-08-16 · updated 2026-06-17

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.

Affected products

Yokogawa Centum Cs 3000 Cp31 Firmware: all versions
Yokogawa Centum Cs 3000 Cp33 Firmware: all versions
Yokogawa Centum Cs 3000 Cp345 Firmware: all versions
Yokogawa Centum Cs 3000 Cp401 Firmware: all versions
Yokogawa Centum Cs 3000 Cp451 Firmware: all versions
Yokogawa Centum Vp 3000 Cp401 Firmware: from r4.01.00 through r4.03.00; from r5.01.00 before r5.04.78; from r6.01.00 before r6.03.10 — fixed in r5.04.78, r6.03.10
Yokogawa Centum Vp 3000 Cp451 Firmware: from r4.01.00 through r4.03.00; from r5.01.00 before r5.04.78; from r6.01.00 before r6.03.10 — fixed in r5.04.78, r6.03.10

How to fix

Upgrade to a fixed version: Yokogawa Centum Vp 3000 Cp401 Firmware r5.04.78, r6.03.10; Yokogawa Centum Vp 3000 Cp451 Firmware r5.04.78, r6.03.10. Check the vendor advisory for mitigations.

References

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