What is CVE-2022-2788?

CVE-2022-2788 is a low-severity vulnerability in Emerson Electric\'s Proficy, classified under CWE-29. CVSS score: 3.9/10. Published 2022-08-19.

How severe is CVE-2022-2788?

Low severity. CVSS v3 base score is 3.9 out of 10.

Path Traversal in Emerson Electric\'s Proficy

CVE-2022-2788

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.

Published 2022-08-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.9 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (13.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Emerson Electric\'s Proficy
Emerson Electric Proficy Machine Edition — versions all

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2022-2788?: CVE-2022-2788 is a low-severity vulnerability in Emerson Electric\'s Proficy, classified under CWE-29. CVSS score: 3.9/10. Published 2022-08-19.
How severe is CVE-2022-2788?: Low severity. CVSS v3 base score is 3.9 out of 10.