CVE-2022-21939

Q: How do I fix CVE-2022-21939?

Upgrade metasys system configuration tool to 15.0.3 or later.

Q: Is CVE-2022-21939 being actively exploited?

Not that we know of. CVE-2022-21939 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.55% is the estimated probability that it will be exploited in the next 30 days. That is higher than 43% of all scored CVEs.

Q: How severe is CVE-2022-21939?

CVE-2022-21939 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2022-21939 affect?

Published advisories record a fix for metasys system configuration tool (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGH

7.5

CVSS v3

NVD

Description

Sensitive Cookie Without 'HttpOnly' Flag vulnerability in Johnson Controls System Configuration Tool (SCT) version 14 prior to 14.2.3 and version 15 prior to 15.0.3 could allow access to the cookie.

CWE-1004 CWE-732Incorrect Permission Assignment for Critical Resource

How to fix

Remediation Available

metasys system configuration toolNVD

Affected:>= 15.0, < 15.0.3Fixed in:15.0.3CVE-2022-21939derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.55%probability of exploitation in 30 days

43rdpercentile

Moderate risk: more likely to be exploited than 43% of all known CVEs.

References

Vendor Advisory1

johnsoncontrols.com

Third-Party Advisory1

cisa.gov

Related Vulnerabilities

Other CWE-1004 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-27223	High	7.5	2.1%	-	-
CVE-2020-27658	High	7.1	1.3%	-	Fix
CVE-2021-42115	High	8.1	1.2%	-	-
CVE-2019-8283	Medium	6.5	1.2%	-	Fix
CVE-2021-3706	High	7.5	1.1%	-	Fix
CVE-2022-25172	Medium	6.1	1.0%	-	-

Common questions

How do I fix CVE-2022-21939?

Upgrade metasys system configuration tool to 15.0.3 or later.

Is CVE-2022-21939 being actively exploited?

Not that we know of. CVE-2022-21939 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.55% is the estimated probability that it will be exploited in the next 30 days. That is higher than 43% of all scored CVEs.

How severe is CVE-2022-21939?

CVE-2022-21939 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2022-21939 affect?

Published advisories record a fix for metasys system configuration tool (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.