CVE-2022-43606

Name: CVE-2022-43606
Creator: NVD / NIST
Published: 2023-03-16T21:15:11.277+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 8.05%

Last modified Jun 17, 2026

CVE-2022-43606 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A use-of-uninitialized-pointer vulnerability exists in the Forward Open connection_management_entry functionality of EIP Stack Group OpENer development commit 58ee13c. A specially-crafted EtherNet/IP request can lead to use of a null pointer, causing the server to crash. EPSS estimates a 8.05% chance of exploitation in the next 30 days.

Description

A use-of-uninitialized-pointer vulnerability exists in the Forward Open connection_management_entry functionality of EIP Stack Group OpENer development commit 58ee13c. A specially-crafted EtherNet/IP request can lead to use of a null pointer, causing the server to crash. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.

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

8.05%

94.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-824

Affected Software

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

References

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1663Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1663Exploit, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1663

Timeline

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

Frequently Asked Questions

What is CVE-2022-43606?

How severe is CVE-2022-43606?

CVE-2022-43606 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 8.05% probability of exploitation in the next 30 days.

How do I fix CVE-2022-43606?

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-2022-43606?

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

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Source: NVD / NIST