CVE-2019-7594

MEDIUMNVD 6.89.1▲

6.8

Metasys® ADS/ADX servers and NAE/NIE/NCE engines prior to 9.0 make use of a hardcoded RC2 key for certain encryption operations involving the Site Management Portal (SMP).

CVSS v3: 6.8
EG Score: 9.1(medium)
EPSS: 29.0%
KEV: Not listed

Published

August 20, 2019

Last Modified

November 21, 2024

References (4)

productsecurity@jcihttps://www.johnsoncontrols.com/-/media/jci/cyber-solutions/product-security-advisories/2019/jci-psa-2019-06-v1-metasys-icsa-19-227-01.pdf
productsecurity@jcihttps://www.us-cert.gov/ics/advisories/icsa-19-227-01
af854a3a-2127-422b-91ae-364da2661108https://www.johnsoncontrols.com/-/media/jci/cyber-solutions/product-security-advisories/2019/jci-psa-2019-06-v1-metasys-icsa-19-227-01.pdf
af854a3a-2127-422b-91ae-364da2661108https://www.us-cert.gov/ics/advisories/icsa-19-227-01

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 10× 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.

2026-05-27 15:41 UTCEG score recompute
2026-05-27 15:41 UTCGHSA enrichment
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 23:46 UTCOSV refresh
2026-05-24 16:47 UTCepss_batch

Frequently asked(5)

What is CVE-2019-7594?

CVE-2019-7594 is a medium vulnerability published on August 20, 2019. Metasys® ADS/ADX servers and NAE/NIE/NCE engines prior to 9.0 make use of a hardcoded RC2 key for certain encryption operations involving the Site Management Portal (SMP).

When was CVE-2019-7594 disclosed?

CVE-2019-7594 was first published in the National Vulnerability Database on August 20, 2019, 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-2019-7594 actively exploited?

CVE-2019-7594 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 29.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-7594?

CVE-2019-7594 has a CVSS v3 base score of 6.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.1.

How do I remediate CVE-2019-7594?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-7594, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2019-7594

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CVE-2019-7594

📅 Published

🔄 Last Modified

🔗 References (4)