Is CVE-2021-42310 in the CISA KEV catalog?

No. CVE-2021-42310 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-42310?

CVE-2021-42310 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2021-42310?

CVE-2021-42310 has an EPSS score of 1.99% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-42310?

Upgrade defender for iot to 10.5.2 or later.

CVE & CISA-KEV Catalog

CVE-2021-42310

HIGHEPSS 78th pctl

8.1

CVSS v3

NVD

Description

Microsoft Defender for IoT Remote Code Execution Vulnerability

How to fix

Remediation Available

defender for iotNVD

Affected:< 10.5.2Fixed in:10.5.2CVE-2021-42310derived 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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.99%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Patch1

portal.msrc.microsoft.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.