Skip to main content
HIGH

CVE-2022-43606

CVSS v3

7.5

HIGH

EPSS Score

8.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2023-03-16

Frequently asked questions

What is CVE-2022-43606?

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.

Is CVE-2022-43606 actively exploited?

Active exploitation of CVE-2022-43606 has not been confirmed. Its EPSS score was 8.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-43606?

CVE-2022-43606 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2022-43606 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

No credit card required · 500 free checks/month · Free API key