How severe is CVE-2022-2791?

CVE-2022-2791 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2022-2791 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-2791?

CVE-2022-2791 affects Emerson Proficy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-2791?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-2791 published?

CVE-2022-2791 was published on 2022-11-22 and last updated on 2026-06-17.

CVE-2022-2791

CVE-2022-2791 is a medium-severity vulnerability in Emerson Proficy with a CVSS 3.x base score of 5.9. 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-434.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Emerson Proficy
Published: 2022-11-22
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2022-2791?: 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.
How severe is CVE-2022-2791?: CVE-2022-2791 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2022-2791 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-2791?: CVE-2022-2791 affects Emerson Proficy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-2791?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-2791 published?: CVE-2022-2791 was published on 2022-11-22 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:emerson:proficy:*:*:*:*:machine:*:*:*

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