CVE-2022-2788

CVE-2022-2788 is a low-severity vulnerability in Emerson Electric's Proficy with a CVSS 3.x base score of 3.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

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.

Frequently asked questions

What is 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.
How severe is CVE-2022-2788?
CVE-2022-2788 has a CVSS 3.x base score of 3.9, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2022-2788 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-2788?
CVE-2022-2788 affects Emerson Electric's Proficy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-2788?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-2788 published?
CVE-2022-2788 was published on 2022-08-19 and last updated on 2026-06-17.

References

Affected products (1)

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