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CVE-2021-36204

Insufficiently Protected Credentials in Metasys

HIGH
7.5
CVSS Score
Published: January 13, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 03:58 AM UTC
3 products affected across 1 vendorMetasys Extended Application and Data ServerMetasys Application and Data ServerMetasys Open Application Server

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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Metasys Application and Data Server· Johnsoncontrols
95%
10.0 ≤ v < 10.1.611.0 ≤ v < 11.0.3All 10 versions ≤ v < 10.1.6All 11 versions ≤ v < 11.0.3All 10 versionsAll 11 versions
Affected range stops below 10.1.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.0.3, so it looks safe — our inference, not a vendor statement
Metasys Extended Application and Data Server· Johnsoncontrols
95%
10.0 ≤ v < 10.1.611.0 ≤ v < 11.0.3All 10 versions ≤ v < 10.1.6All 11 versions ≤ v < 11.0.3All 10 versionsAll 11 versions
Affected range stops below 10.1.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.0.3, so it looks safe — our inference, not a vendor statement
Metasys Open Application Server· Johnsoncontrols
95%
10.0 ≤ v < 10.1.611.0 ≤ v < 11.0.3All 10 versions ≤ v < 10.1.6All 11 versions ≤ v < 11.0.3All 10 versionsAll 11 versions
Affected range stops below 10.1.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.0.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Third Party AdvisoryUS Government Resource
Source: [email protected]
https://www.cisa.gov/uscert/ics/advisories/icsa-23-012-06
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.johnsoncontrols.com/cyber-solutions/security-advisories

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-522

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