How severe is CVE-2019-7593?

CVE-2019-7593 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2019-7593 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-7593?

CVE-2019-7593 affects Johnsoncontrols Metasys System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-7593?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-7593 published?

CVE-2019-7593 was published on 2019-08-20 and last updated on 2026-06-17.

CVE-2019-7593

CVE-2019-7593 is a medium-severity vulnerability in Johnsoncontrols Metasys System with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 6.4
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Johnsoncontrols Metasys System
Published: 2019-08-20
Last modified: 2026-06-17

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).

Frequently asked questions

What is CVE-2019-7593?: 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).
How severe is CVE-2019-7593?: CVE-2019-7593 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2019-7593 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-7593?: CVE-2019-7593 affects Johnsoncontrols Metasys System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-7593?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-7593 published?: CVE-2019-7593 was published on 2019-08-20 and last updated on 2026-06-17.

References

Affected products (1)

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

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