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CVE-2019-7593

24
FAUCET Score

CVE-2019-7593 is a critical vulnerability affecting Johnson Controls Metasys ADS/ADX servers and NAE/NIE/NCE engines prior to version 9.0, stemming from the use of a shared RSA key pair for Site Management Portal (SMP) encryption. With a CVSS score of 9.1, this vulnerability allows unauthenticated attackers to achieve high confidentiality and integrity impacts over the network with low attack complexity. Despite its critical severity, there is currently no evidence of active exploitation, publicly available exploit code in Metasploit or ExploitDB, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 9.0CPE matchmatch criteria
cpe:2.3:a:johnsoncontrols:metasys_system:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.8MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.82%
Probability of exploitation in next 30 days
EPSS Percentile
53.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0082 is in the 37th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

johnsoncontrols.com / -/media/jci/cyber-solutions/product-security-advisories/2019/jci-psa-2019-06-v1-metasys-icsa-19-227-01.pdf
Vendor Advisory
us-cert.gov / ics/advisories/icsa-19-227-01
MitigationThird Party AdvisoryUS Government Resource