CVE-2022-43604

Name: CVE-2022-43604
Creator: NVD / NIST
Published: 2023-03-16T21:15:11.123+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 14.37%

Last modified Jun 17, 2026

CVE-2022-43604 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An out-of-bounds write vulnerability exists in the GetAttributeList 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. EPSS estimates a 14.37% chance of exploitation in the next 30 days.

Description

An out-of-bounds write vulnerability exists in the GetAttributeList 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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

14.37%

96.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Opener Project	Opener	< 2022-10-18

References

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1661Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1661Exploit, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1661

Timeline

Published: Mar 16, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-43604?

How severe is CVE-2022-43604?

CVE-2022-43604 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 14.37% probability of exploitation in the next 30 days.

How do I fix CVE-2022-43604?

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-2022-43604?

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

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Source: NVD / NIST