- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
Under certain circumstances the session token is not cleared on logout.
Patch / fix
- Johnson Controls Metasys 10.1.5, 11.0.2
Is CVE-2021-36205 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-22-104-02 updated cvss 8.1
Johnson Controls Metasys
-
Johnson Controls Inc All Metasys ADS/ADX/OAS Servers 10, 11affected: mitigation “Update all Metasys ADS/ADX/OAS Servers: Versions 10 with patch 10.1.5” johnsoncontrols.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
1.04% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- Johnson Controls Metasys
Classification
- Weakness
-
- CWE-459 Incomplete Cleanup
References
-
johnsoncontrols.com
/cyber-solutions/security-advisories
vendor-advisory
-
cisa.gov
/uscert/ics/advisories/icsa-22-104-02
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2021-36205
- NVD CVE-2021-36205
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.