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Status published
Medium
CVE-2019-7594
Metasys use of hardcoded RC2 key
Vulnerability 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).
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- harpocrates.ghost@protonmail.com
References
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CVE-2025-61738
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Low
2.3
CVE-2025-61736
iSTAR- Improper Validation of Certificate Expiration
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7.1
CVE-2025-43876
iSTAR Ultra, Ultra SE, Ultra G2, Ultra G2 SE, iSTAR Edge G2 - Authenticated web application command injection - get8021xSettings
High
8.7
Affected Vendor
Johnson Controls
View all reports →Affected Software
Metasys versions prior to 9.0
Vulnerable Versions:
9.0
Timeline
Official Publish:
August 20th, 2019
Last Modified:
August 4th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N