CVE-2021-36204

HIGHNVD 7.87.5▼

7.8

Under some circumstances an Insufficiently Protected Credentials vulnerability in Johnson Controls Metasys ADS/ADX/OAS 10 versions prior to 10.1.6 and 11 versions prior to 11.0.3 allows API calls to expose credentials in plain text.

CVSS v3: 7.8
EG Score: 7.5(medium)
EPSS: 38.8%
KEV: Not listed

Published

January 13, 2023

Last Modified

November 21, 2024

References (4)

productsecurity@jcihttps://www.cisa.gov/uscert/ics/advisories/icsa-23-012-06
productsecurity@jcihttps://www.johnsoncontrols.com/cyber-solutions/security-advisories
af854a3a-2127-422b-91ae-364da2661108https://www.cisa.gov/uscert/ics/advisories/icsa-23-012-06
af854a3a-2127-422b-91ae-364da2661108https://www.johnsoncontrols.com/cyber-solutions/security-advisories

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-522Insufficiently Protected Credentials

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:10 UTCepss_batch
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2026-05-29 13:42 UTCepss_batch
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2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2021-36204?

CVE-2021-36204 is a high vulnerability published on January 13, 2023. Under some circumstances an Insufficiently Protected Credentials vulnerability in Johnson Controls Metasys ADS/ADX/OAS 10 versions prior to 10.1.6 and 11 versions prior to 11.0.3 allows API calls to expose credentials in plain text.

When was CVE-2021-36204 disclosed?

CVE-2021-36204 was first published in the National Vulnerability Database on January 13, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-36204 actively exploited?

CVE-2021-36204 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 38.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-36204?

CVE-2021-36204 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.5.

How do I remediate CVE-2021-36204?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-36204, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-36204

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-36204?

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Published

Last Modified

References (4)

Frequently asked(5)

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