Is CVE-2022-31804 in the CISA KEV catalog?

No. CVE-2022-31804 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-31804?

CVE-2022-31804 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-31804?

CVE-2022-31804 has an EPSS score of 1.03% (59th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-31804?

Upgrade gateway to 2.3.9.38 or later.

CVE & CISA-KEV Catalog

CVE-2022-31804

HIGH

7.5

CVSS v3

NVD

Description

The CODESYS Gateway Server V2 does not verifiy that the size of a request is within expected limits. An unauthenticated attacker may allocate an arbitrary amount of memory, which may lead to a crash of the Gateway due to an out-of-memory condition.

CWE-789

How to fix

Remediation Available

gatewayNVD

Affected:>= 2.0, < 2.3.9.38Fixed in:2.3.9.38CVE-2022-31804derived 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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.03%probability of exploitation in 30 days

59thpercentile

Moderate risk: more likely to be exploited than 59% of all known CVEs.

References

Vendor Advisory1

customers.codesys.com

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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.