# CVE-2021-36205

## Summary

- **CVE ID:** CVE-2021-36205
- **Severity:** HIGH
- **CVSS Score:** 8.1 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-459
- **Published:** Apr 15, 2022
- **Last Modified:** Mar 13, 2026

## Description

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

## Affected Products

- Johnson Controls — Metasys (All 10 versions)
- Johnson Controls — Metasys (All 11 versions)

## References

- [CNA](https://www.johnsoncontrols.com/cyber-solutions/security-advisories)
- [CNA](https://www.cisa.gov/uscert/ics/advisories/icsa-22-104-02)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.27%
- **EPSS Percentile:** 50.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._