Is CVE-2022-33939 actively exploited?

No active exploitation of CVE-2022-33939 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-33939 be exploited remotely?

Yes. CVE-2022-33939 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-33939?

CVE-2022-33939 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2022-33939

HIGH

CVE-2022-33939

NVD-CWE-noinfoPublished: August 16, 2022· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2022-33939 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Affected Vendors & Products

yokogawa14 product(s)

centum cs 3000 cp401 firmwarecentum cs 3000 cp401centum cs 3000 cp451 firmwarecentum cs 3000 cp451centum cs 3000 cp33 firmwarecentum cs 3000 cp33centum cs 3000 cp345 firmwarecentum cs 3000 cp345centum cs 3000 cp31 firmwarecentum cs 3000 cp31centum vp 3000 cp401 firmwarecentum vp 3000 cp401+2

Source: NVD CPE · 14 total CPE entries