CVE-2019-7593

Metasys use of shared RSA key pairs

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Published Aug 20, 2019 CVSS 3.0 · 6.8 Medium EPSS < 1% KEV · Not listed

Description

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).

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Johnson Controls

Metasys versions prior to 9.0

affected

Version	Status	Constraints
`9.0`	unaffected	—

Configuration 1 [-]

cpe:2.3:a:johnsoncontrols:metasys_system:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Solution

Upgrade Metasys® devices to Release 9.0 or later and configure sites with trusted certificates.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2019-17131	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).

Metrics

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction Required

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.820% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
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

History

No history.

Subscriptions

Johnsoncontrols Metasys System

Weaknesses

Sources

CVE record Updated: Aug 4, 2024, 8:54 PM

Status: PUBLISHED
Assigner: jci
Published: Aug 20, 2019, 6:22 PM
Updated: Aug 4, 2024, 8:54 PM
Reserved: Feb 7, 2019, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 2:40 AM

Status: Modified
Published: Aug 20, 2019, 7:15 PM
Modified: Jun 17, 2026, 2:40 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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