{"cve":"CVE-2019-7594","nvd":{"published":"2019-08-20T19:15:17.307","modified":"2026-06-17T02:40:45.043","status":"Modified","description":"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_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","score":9.1},"cwes":["CWE-798","CWE-321"],"references":["https://www.johnsoncontrols.com/-/media/jci/cyber-solutions/product-security-advisories/2019/jci-psa-2019-06-v1-metasys-icsa-19-227-01.pdf","https://www.us-cert.gov/ics/advisories/icsa-19-227-01","https://www.johnsoncontrols.com/-/media/jci/cyber-solutions/product-security-advisories/2019/jci-psa-2019-06-v1-metasys-icsa-19-227-01.pdf","https://www.us-cert.gov/ics/advisories/icsa-19-227-01"],"products":["johnsoncontrols:metasys_system"],"source":"nvd","synced_at":"2026-10-19T20:58:39.700375520+00:00"},"epss":{"cve":"CVE-2019-7594","score":0.00632,"percentile":0.50312,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}