CVE-2021-36200

mediumpriority · track · 21OT risk · elevatedEPSS 0.007 · 53 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.70% (53rd) EPSS

CVSS 5.3 · medium

Is it mine?

11 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

Under certain circumstances an unauthenticated user could access the the web API for Metasys ADS/ADX/OAS 10 versions prior to 10.1.6 and 11 versions prior to 11.0.2 and enumerate users.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationJohnson Controls Metasys ADS ADX OAS with MUIcisa_csaf_ot
Metasys ADS/ADX/OAS 10: Update with patch 10.1.6

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · CISA US

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · productsecurity@jci.comexploitability 3.9 · impact 1.4

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USprimaryCWE-306US

affected products (11)

Products and version ranges known to be affected.

Johnson Controls Metasys ADS ADX OAS with MUI: Version 10all versionscisa_csaf_otUS
Johnson Controls Metasys ADS ADX OAS with MUI: Version 11all versionscisa_csaf_otUS
Johnson Controls Inc Johnson Controls Metasys ADS ADX OAS with MUIall versionscisa_csaf_otUS
Johnson Controls Metasys ADS/ADX/OAS serverAll 10 versions → 10.1.6enisa_euvdEU
Johnson Controls Metasys ADS/ADX/OAS serverAll 11 versions → 11.0.2enisa_euvdEU
johnsoncontrols metasys application and data server10.0 → 10.1.6nvdUScpe:2.3:a:johnsoncontrols:metasys_application_and_data_server:*:*:*:*:*:*:*:*
johnsoncontrols metasys application and data server11.0 → 11.0.2nvdUScpe:2.3:a:johnsoncontrols:metasys_application_and_data_server:*:*:*:*:*:*:*:*
johnsoncontrols metasys extended application and data server10.0 → 10.1.6nvdUScpe:2.3:a:johnsoncontrols:metasys_extended_application_and_data_server:*:*:*:*:*:*:*:*
johnsoncontrols metasys extended application and data server11.0 → 11.0.2nvdUScpe:2.3:a:johnsoncontrols:metasys_extended_application_and_data_server:*:*:*:*:*:*:*:*
johnsoncontrols metasys open application server10.0 → 10.1.6nvdUScpe:2.3:a:johnsoncontrols:metasys_open_application_server:*:*:*:*:*:*:*:*
johnsoncontrols metasys open application server11.0 → 11.0.2nvdUScpe:2.3:a:johnsoncontrols:metasys_open_application_server:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-22-202-02Johnson Controls Metasys ADS, ADX, OAS2022-07-21icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow an unauthenticated user to access Metasys web API and enumerate users.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2022-07-22modified 2026-06-17

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references (11)

External citations — patches, advisories, analysis.

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