CVE-2022-2789

Name: CVE-2022-2789
Creator: NVD / NIST
Published: 2022-08-19T23:15:09.2+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.12%

Last modified Jun 17, 2026

CVE-2022-2789 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Emerson Electric's Proficy Machine Edition Version 9.00 and prior is vulnerable to CWE-345 Insufficient Verification of Data Authenticity, and can display logic that is different than the compiled logic.. EPSS estimates a 0.12% chance of exploitation in the next 30 days.

Description

Emerson Electric's Proficy Machine Edition Version 9.00 and prior is vulnerable to CWE-345 Insufficient Verification of Data Authenticity, and can display logic that is different than the compiled logic.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.12%

1.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-345

Affected Software

Vendor	Product	Versions
Emerson	Electric\'S Proficy	<= 9.0.0

References

https://www.cisa.gov/uscert/ics/advisories/icsa-22-228-06Third Party Advisory, US Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-22-228-06Third Party Advisory, US Government Resource

Timeline

Published: Aug 19, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-2789?

How severe is CVE-2022-2789?

CVE-2022-2789 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.

How do I fix CVE-2022-2789?

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-2022-2789?

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

Scan your code now

Source: NVD / NIST