Is CVE-2022-31806 in the CISA KEV catalog?

No. CVE-2022-31806 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-31806?

CVE-2022-31806 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2022-31806?

CVE-2022-31806 has an EPSS score of 1.12% (62th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-31806?

Upgrade plcwinnt to 2.4.7.57 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2022-31806

CRITICAL

9.8

CVSS v3

NVD

Description

In CODESYS V2 PLCWinNT and Runtime Toolkit 32 in versions prior to V2.4.7.57 password protection is not enabled by default and there is no information or prompt to enable password protection at login in case no password is set at the controller.

CWE-1188

How to fix

Remediation Available

plcwinntNVD

Affected:< 2.4.7.57Fixed in:2.4.7.57CVE-2022-31806derived from NVD

runtime toolkitNVD

Affected:< 2.4.7.57Fixed in:2.4.7.57CVE-2022-31806derived 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

1.12%probability of exploitation in 30 days

62ndpercentile

Moderate risk: more likely to be exploited than 62% of all known CVEs.

References

Third-Party 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.