CVE-2022-2791

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-11-22 · updated 2026-06-17
Weakness: CWE-434

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.

Affected products

Emerson Proficy: through 9.00

References

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

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