How severe is CVE-2022-21936?

CVE-2022-21936 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2022-21936 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-21936?

CVE-2022-21936 affects Johnsoncontrols Metasys Extended Application And Data Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-21936?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-21936 published?

CVE-2022-21936 was published on 2022-10-07 and last updated on 2026-06-17.

CVE-2022-21936

CVE-2022-21936 is a high-severity vulnerability in Johnsoncontrols Metasys Extended Application And Data Server with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Johnsoncontrols Metasys Extended Application And Data Server
Published: 2022-10-07
Last modified: 2026-06-17

Description

On Metasys ADX Server version 12.0 running MVE, an Active Directory user could execute validated actions without providing a valid password when using MVE SMP UI.

Frequently asked questions

What is CVE-2022-21936?: On Metasys ADX Server version 12.0 running MVE, an Active Directory user could execute validated actions without providing a valid password when using MVE SMP UI.
How severe is CVE-2022-21936?: CVE-2022-21936 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2022-21936 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-21936?: CVE-2022-21936 affects Johnsoncontrols Metasys Extended Application And Data Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-21936?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-21936 published?: CVE-2022-21936 was published on 2022-10-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:johnsoncontrols:metasys_extended_application_and_data_server:12.0:*:*:*:*:*:*:*

More vulnerabilities in Johnsoncontrols Metasys Extended Application And Data Server

CVE-2021-36207 — High (CVSS 8.8): Under certain circumstances improper privilege management in Metasys ADS/ADX/OAS servers versions 10 and 11 could allow…
CVE-2022-21937 — High (CVSS 8.7): Under certain circumstances, a vulnerability in Metasys ADS/ADX/OAS 10 versions prior to 10.1.5 and Metasys ADS/ADX/OAS…
CVE-2021-36202 — High (CVSS 8.4): Server-Side Request Forgery (SSRF) vulnerability in Johnson Controls Metasys could allow an authenticated attacker to…
CVE-2022-21938 — High (CVSS 8.1): Under certain circumstances, a vulnerability in Metasys ADS/ADX/OAS 10 versions prior to 10.1.5 and Metasys ADS/ADX/OAS…
CVE-2021-36205 — High (CVSS 8.1): Under certain circumstances the session token is not cleared on logout.
CVE-2022-21934 — High (CVSS 8.0): Under certain circumstances an authenticated user could lock other users out of the system or take over their accounts…

All CVEs affecting Johnsoncontrols Metasys Extended Application And Data Server →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →