Is CVE-2022-43605 actively exploited?

No active exploitation of CVE-2022-43605 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-43605 be exploited remotely?

Yes. CVE-2022-43605 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-43605?

CVE-2022-43605 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-43605

CWE-787Published: March 16, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

An out-of-bounds write vulnerability exists in the SetAttributeList attribute_count_request functionality of EIP Stack Group OpENer development commit 58ee13c. A specially crafted EtherNet/IP request can lead to an out of bounds write, potentially causing the server to crash or allow for remote code execution. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.

NVD Source

Technical Analysis

CVE-2022-43605 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 complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.