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01 Record

CVE-2019-7594

Metasys use of hardcoded RC2 key

MediumPUBLISHEDCNA: jci
CNA base score6.8 CVSS v3.xCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

02 Description

Metasys use of hardcoded RC2 key

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.63% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 49.6% of scored records. A rank, not a probability.
NVD base score
9.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-08-20 18:24Z7 YR AGO
Last updated
2024-08-04 20:54Z2 YR AGO
Reserved
2019-02-07
Assigning CNA
jci
Record state
PUBLISHED
Severity
Medium (CVSS 6.8)
CNA CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Weaknesses
  • CWE-321Use of Hard-coded Cryptographic KeyVariant
  • CWE-798Use of Hard-coded CredentialsBase
Data version
5.1
Document digest
41fd55a54afaa0f356759e7934cee4c2c50a86d37dbdbde09872aa109b898c9d

05 Affected products

VendorProductVersionsPlatforms
Johnson ControlsMetasys versions prior to 9.0Not specified—

06 References

07 Remediation

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