Is CVE-2022-43976 in the CISA KEV catalog?

No. CVE-2022-43976 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-43976?

CVE-2022-43976 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2022-43976?

CVE-2022-43976 has an EPSS score of 0.70% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-43976?

Upgrade ms 3000 firmware to 3.7.6.25p0_3.2.2.17p0_4.7p0 or later.

CVE & CISA-KEV Catalog

CVE-2022-43976

CRITICAL

9.8

CVSS v3

NVD

Description

An issue was discovered in FC46-WebBridge on GE Grid Solutions MS3000 devices before 3.7.6.25p0_3.2.2.17p0_4.7p0. Direct access to the API is possible on TCP port 8888 via programs located in the cgi-bin folder without any authentication.

CWE-306Missing Authentication for Critical Function

How to fix

Remediation Available

ms 3000 firmwareNVD

Affected:< 3.7.6.25p0_3.2.2.17p0_4.7p0Fixed in:3.7.6.25p0_3.2.2.17p0_4.7p0CVE-2022-43976derived from NVD

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 ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.70%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Third-Party Advisory1

wid.cert-bund.de

Related Vulnerabilities

Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-10271	High	7.5	100%	KEV + Ransom	-
CVE-2023-42793	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2025-3248	Critical	9.8	100%	KEV	Fix
CVE-2022-1388	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2021-37415	Critical	9.8	100%	KEV	-
CVE-2023-21839	High	7.5	100%	KEV	-

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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 2025-04-07.