Cyber Resilience

CVE-2022-21937

High

Published: 15 June 2022

Published
15 June 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
EPSS Score 0.0054 68.1th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-21937 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Johnsoncontrols Metasys Application And Data Server. Its CVSS base score is 8.7 (High).

Operationally, ranked in the top 31.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Under certain circumstances, a vulnerability in Metasys ADS/ADX/OAS 10 versions prior to 10.1.5 and Metasys ADS/ADX/OAS 11 versions prior to 11.0.2 could allow a user to inject malicious code into the web interface.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

johnsoncontrols
metasys application and data server
11.0, 11.0.1 · 10.0 — 10.1.5
johnsoncontrols
metasys extended application and data server
11.0, 11.0.1 · 10.0 — 10.1.5
johnsoncontrols
metasys open application server
11.0, 11.0.1 · 10.0 — 10.1.5

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References