CVE-2019-7593: Metasys use of shared RSA key pairs

Q: What is CVE-2019-7593?

CVE-2019-7593 is a vulnerability in Metasys® ADS/ADX servers and NAE/NIE/NCE engines prior to 9.0 that make use of a shared RSA key pair for certain encryption operations involving the Site Management Portal (SMP).

Q: How severe is CVE-2019-7593?

CVE-2019-7593 has a severity value of 9.1, which is classified as critical.

Q: What software versions are affected by CVE-2019-7593?

Metasys® ADS/ADX servers and NAE/NIE/NCE engines prior to version 9.0 are affected by CVE-2019-7593.

Q: What is the Common Weakness Enumeration (CWE) of CVE-2019-7593?

CVE-2019-7593 is associated with CWE-798 (Use of Hard-coded Credentials) and CWE-323 (Reusing a Nonce, Key Pair in Encryption)

Q: Where can I find more information about CVE-2019-7593?

You can find more information about CVE-2019-7593 in the following references: [1] [2]

Published Aug 20, 2019

Updated

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 Software

1 affected component

Johnsoncontrols Metasys System<9.0

Remediation

Information

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

Event History

Aug 20, 2019

CVE Published

via MITRE·06:22 PM

Data Sourced

via MITRE·06:22 PM

RemedyDescriptionSeverityWeakness

Frequently Asked Questions

What is CVE-2019-7593?

CVE-2019-7593 is a vulnerability in Metasys® ADS/ADX servers and NAE/NIE/NCE engines prior to 9.0 that make use of a shared RSA key pair for certain encryption operations involving the Site Management Portal (SMP).

How severe is CVE-2019-7593?