CVE-2022-2791

Name: CVE-2022-2791
Creator: NVD / NIST
Published: 2022-11-22T20:15:10.917+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.18%

Last modified Jun 17, 2026

CVE-2022-2791 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Emerson Electric's Proficy Machine Edition Version 9.00 and prior is vulnerable to CWE-434 Unrestricted Upload of File with Dangerous Type, and will upload any file written into the PLC logic folder to the connected PLC.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

Emerson Electric's Proficy Machine Edition Version 9.00 and prior is vulnerable to CWE-434 Unrestricted Upload of File with Dangerous Type, and will upload any file written into the PLC logic folder to the connected PLC.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.18%

7.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Emerson	Proficy	<= 9.00

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: Nov 22, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-2791?

How severe is CVE-2022-2791?

CVE-2022-2791 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2022-2791?

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-2022-2791?

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

Scan your code now

Source: NVD / NIST