Read the docs
TI-2022-02583 Aliases CVE-2022-2788GHSA-xwxm-hg2j-hpjq

Path traversal in Emerson Proficy Machine Edition

Priority LOW 32CWE-29Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00238 14th 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

VendorProductAffected versionsFixed inStatusSource
EmersonProficy Machine Editionall – 9.80—No fix listedCNA
  • Proficy Machine Edition VendorEmerson Affected all – 9.80 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:emerson:electric\'s_proficy:*:*:*:*:machine:*:*:*up to 9.80VulnerableEmerson
  • cpe:2.3:a:emerson:electric\'s_proficy:*:*:*:*:machine:*:*:* Versions up to 9.80 Vulnerable ·Emerson

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-2788
  2. 2026-10-03 Alias added: GHSA-xwxm-hg2j-hpjq

References

Advisory 1

  • TI-2022-02588 Insufficient verification of data authenticity in Emerson Proficy Machine Edition CVSS 3.1HIGH 7.8
  • TI-2022-02587 Improper access control in Emerson Proficy Machine Edition CVSS 3.1HIGH 7.5
  • TI-2022-02585 Improper signature verification in Emerson Proficy Machine Edition CVSS 3.1MEDIUM 5.9
  • TI-2022-02584 Insufficient verification of data authenticity in Emerson Proficy Machine Edition CVSS 3.1MEDIUM 5.5

Sources

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