CVE-2019-7594

Q: How do I fix CVE-2019-7594?

Upgrade metasys system to 9.0 or later.

Q: Is CVE-2019-7594 being actively exploited?

Not that we know of. CVE-2019-7594 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.63% is the estimated probability that it will be exploited in the next 30 days. That is higher than 47% of all scored CVEs.

Q: How severe is CVE-2019-7594?

CVE-2019-7594 has a CVSS v3 base score of 6.8, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2019-7594 affect?

Published advisories record a fix for metasys system (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUM

6.8

CVSS v3

NVD

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).

CWE-321 CWE-798Hard-coded Credentials

How to fix

Remediation Available

metasys systemNVD

Affected:< 9.0Fixed in:9.0CVE-2019-7594derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

Exploit Intelligence

0.63%probability of exploitation in 30 days

47thpercentile

Moderate risk: more likely to be exploited than 47% of all known CVEs.

References

Vendor Advisory1

johnsoncontrols.com

Mitigation1

us-cert.gov

Related Vulnerabilities

Other CWE-321 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-30406	Critical	9.0	94%	KEV	Fix
CVE-2016-4437	Critical	9.8	93%	KEV	Fix
CVE-2023-32169	Critical	9.8	56%	-	-
CVE-2023-27584	Critical	9.8	34%	-	Fix
CVE-2020-10884	High	8.8	25%	-	-
CVE-2021-4228	Medium	5.8	9.9%	-	-

Common questions

How do I fix CVE-2019-7594?

Upgrade metasys system to 9.0 or later.

Is CVE-2019-7594 being actively exploited?

Not that we know of. CVE-2019-7594 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.63% is the estimated probability that it will be exploited in the next 30 days. That is higher than 47% of all scored CVEs.

How severe is CVE-2019-7594?

CVE-2019-7594 has a CVSS v3 base score of 6.8, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2019-7594 affect?

Published advisories record a fix for metasys system (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.