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01 Record

CVE-2020-9044

Metasys Improper Restriction of XML External Entity Reference

HighPUBLISHEDCNA: jci
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

02 Description

Metasys Improper Restriction of XML External Entity Reference

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
1.28% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 69.7% 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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
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
2020-03-10 19:28Z6 YR AGO
Last updated
2024-08-04 10:19Z2 YR AGO
Reserved
2020-02-18
Assigning CNA
jci
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
  • CWE-611Improper Restriction of XML External Entity ReferenceBase
Data version
5.1
Document digest
9908d0aeefda3c63833c7dcb96dbb0723aee9528bb50f9480941aef1633632c6

05 Affected products

VendorProductVersionsPlatforms
Johnson ControlsMetasys Application and Data Server (ADS, ADS-Lite)versions 10.1 and prior—
Johnson ControlsMetasys Extended Application and Data Server (ADX)versions 10.1 and prior—
Johnson ControlsMetasys Open Data Server (ODS)versions 10.1 and prior—
Johnson ControlsMetasys Open Application Server (OAS)version 10.1—
Johnson ControlsMetasys Network Automation Engine (NAE55 only)versions 9.0.1, 9.0.2, 9.0.3, 9.0.5, 9.0.6—
Johnson ControlsMetasys Network Integration Engine (NIE55/NIE59)versions 9.0.1, 9.0.2, 9.0.3, 9.0.5, 9.0.6—
Johnson ControlsMetasys NAE85 and NIE85versions 10.1 and prior—
Johnson ControlsMetasys LonWorks Control Server (LCS)versions 10.1 and prior—
Johnson ControlsMetasys System Configuration Tool (SCT)versions 13.2 and prior—

06 References

07 Remediation

Johnson Controls has developed a patch to address this issue. Customers should contact their local branch office for remediation.