CVE-2022-2788

HighCVSS 7.3/10Last modified Jun 17, 2026

Description

Emerson Electric's Proficy Machine Edition Version 9.80 and prior is vulnerable to CWE-29 Path Traversal: '\..\Filename', also known as a ZipSlip attack, through an upload procedure which enables attackers to implant a malicious .BLZ file on the PLC. The file can transfer through the engineering station onto Windows in a way that executes the malicious code.

Metrics

CVSS 3.1 7.3/10CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-29 CWE-22

Affected software

Vendor	Product	Versions
Emerson Electric	Proficy Machine Edition	>= all, <= 9.80

References

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

Timeline

Published: Aug 19, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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