CVE-2022-2789

MEDIUMNVD 4.75.5▲

4.7

Emerson Electric's Proficy Machine Edition Version 9.00 and prior is vulnerable to CWE-345 Insufficient Verification of Data Authenticity, and can display logic that is different than the compiled logic.

CVSS v3: 4.7
EG Score: 5.5(medium)
EPSS: 9.4%
KEV: Not listed

Published

August 19, 2022

Last Modified

November 21, 2024

References (2)

ics-cert@hqhttps://www.cisa.gov/uscert/ics/advisories/icsa-22-228-06
af854a3a-2127-422b-91ae-364da2661108https://www.cisa.gov/uscert/ics/advisories/icsa-22-228-06

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-345Insufficient Verification of Data Authenticity

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
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2026-06-01 13:50 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
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2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2022-2789?

CVE-2022-2789 is a medium vulnerability published on August 19, 2022. Emerson Electric's Proficy Machine Edition Version 9.00 and prior is vulnerable to CWE-345 Insufficient Verification of Data Authenticity, and can display logic that is different than the compiled logic.

When was CVE-2022-2789 disclosed?

CVE-2022-2789 was first published in the National Vulnerability Database on August 19, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-2789 actively exploited?

CVE-2022-2789 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-2789?

CVE-2022-2789 has a CVSS v3 base score of 4.7 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 5.5.

How do I remediate CVE-2022-2789?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-2789, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2022-2789

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-2789?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)