CVE-2019-7593
mediumpriority · track · 36OT risk · elevatedEPSS 0.008 · 57 %ileEURUUSEPSS · scored 2026-10-27
Metasys® ADS/ADX servers and NAE/NIE/NCE engines prior to 9.0 make use of a shared RSA key pair for certain encryption operations involving the Site Management Portal (SMP).
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationMetasys systemcisa_csaf_ot
Users should upgrade to Version 9.0 or later and configure sites with trusted certificates.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.4–9.1
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-19-227-01Johnson Controls Metasys2019-08-15icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could be leveraged by an attacker to decrypt captured network traffic.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2019-7593cnnvd
- https://www.auscert.org.au/bulletins/ESB-2019.3147/cnnvd
- https://www.johnsoncontrols.com/Patchcnnvd
- https://www.johnsoncontrols.com/-/media/jci/cyber-solutions/product-security-advisories/2019/jci-psa-2019-06-v1-metasys-icsa-19-227-01.pdfcnnvd
- https://www.us-cert.gov/ics/advisories/icsa-19-227-01cnnvd
- https://www.johnsoncontrols.com/-/media/jci/cyber-solutions/product-security-advisories/2019/jci-psa-2019-06-v1-metasys-icsa-19-227-01.pdfenisa_euvd
- https://www.us-cert.gov/ics/advisories/icsa-19-227-01enisa_euvd
- https://www.johnsoncontrols.com/-/media/jci/cyber-solutions/product-security-advisories/2019/jci-psa-2019-06-v1-metasys-icsa-19-227-01.pdfVendor Advisorynvd
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