TI-2022-02586 Aliases CVE-2022-2791 GHSA-gcxh-h8m8-8wr4

Unrestricted file upload in Emerson Proficy Machine Edition

LOW 33CWE-434Published 2022-11-22 · Updated 2025-04-16

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00186 8th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Emerson	Proficy Machine Edition	up to 9.00	—	No fix listed	CNA

Proficy Machine Edition VendorEmerson Affected up to 9.00 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:emerson:proficy:::::machine:::*	up to 9.00	Vulnerable	Emerson

cpe:2.3:a:emerson:proficy:*:*:*:*:machine:*:*:* Versions up to 9.00 Vulnerable ·Emerson

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2022-2791
2026-10-03 Alias added: GHSA-gcxh-h8m8-8wr4

References

Advisory 1

https://www.cisa.gov/uscert/ics/advisories/icsa-22-228-06

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences