Critical severity · published Aug 20, 2019
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)
9.1
CVSS
0.8%
EPSS
No
On KEV
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).
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
Metasys System · Johnsoncontrols
before 9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-7593
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-7593
Vendor Advisory
https://www.johnsoncontrols.com/-/media/jci/cyber-solutions/product-security-advisories/2019/jci-psa-2019-06-v1-metasys-icsa-19-227-01.pdf
Mitigation
https://www.us-cert.gov/ics/advisories/icsa-19-227-01
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