CVE-2021-36205

mediumpriority · track · 39EPSS 0.010 · 64 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.04% (64th) EPSS

CVSS 6.8 · medium

Is it mine?

16 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

Under certain circumstances the session token is not cleared on logout.

remediations

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

No vendor fix yet; a mitigation is available.

MitigationAll Metasys ADS/ADX/OAS Serverscisa_csaf_ot
Update all Metasys ADS/ADX/OAS Servers: Versions 10 with patch 10.1.5

cvss

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

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.8–9.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.08.1highCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.18.1highAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · productsecurity@jci.comexploitability 2.2 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-459USprimaryCWE-459USCWE-459US

affected products (16)

Products and version ranges known to be affected.

All Metasys ADS/ADX/OAS Servers: Versions 10 and 11all versionscisa_csaf_otUS
Johnson Controls Inc All Metasys ADS/ADX/OAS Serversall versionscisa_csaf_otUS
Johnson Controls MetasysAll 10 versions → 10.1.5enisa_euvdEU
Johnson Controls MetasysAll 11 versions → 11.0.2enisa_euvdEU
Johnson Controls Inc. Metasys Application and Data Server (ADS)10 → 10.1.5fstec_bduRU
Johnson Controls Inc. Metasys Application and Data Server (ADS)11 → 11.0.2fstec_bduRU
Johnson Controls Inc. Metasys Extended Application and Data Server (ADX)10 → 10.1.5fstec_bduRU
Johnson Controls Inc. Metasys Extended Application and Data Server (ADX)11 → 11.0.2fstec_bduRU
Johnson Controls Inc. Metasys Open Application Server (OAS)10 → 10.1.5fstec_bduRU
Johnson Controls Inc. Metasys Open Application Server (OAS)11 → 11.0.2fstec_bduRU
johnsoncontrols metasys application and data server10.0 → 10.1.5nvdUScpe: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 → 10.1.5nvdUScpe: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 → 10.1.5nvdUScpe: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-22-104-02Johnson Controls Metasys2022-04-14icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow a remote attacker to use a session token that has not been cleared upon log out of an authenticated user.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd NVD CVE.org MITRE

published 2022-04-15modified 2026-06-17

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references (10)

External citations — patches, advisories, analysis.

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