Is CVE-2021-3718 in the CISA KEV catalog?

No. CVE-2021-3718 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-3718?

CVE-2021-3718 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2021-3718?

CVE-2021-3718 has an EPSS score of 0.21% (11th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-3718?

Upgrade thinkpad l14 firmware to 1.20.1.17 or later. Fixes are available for 14 affected products.

CVE & CISA-KEV Catalog

CVE-2021-3718

MEDIUM

4.3

CVSS v3

NVD

Description

A denial of service vulnerability was reported in some ThinkPad models that could cause a system to crash when the Enhanced Biometrics setting is enabled in BIOS.

CWE-232

How to fix

Remediation Available

thinkpad l14 firmwareNVD

Affected:< 1.20.1.17Fixed in:1.20.1.17CVE-2021-3718derived from NVD

thinkpad l14 gen 1 firmwareNVD

Affected:< 1.15Fixed in:1.15CVE-2021-3718derived from NVD

thinkpad l15 firmwareNVD

Affected:< 1.20.1.17Fixed in:1.20.1.17CVE-2021-3718derived from NVD

thinkpad l15 gen 1 firmwareNVD

Affected:< 1.15Fixed in:1.15CVE-2021-3718derived from NVD

thinkpad l490 firmwareNVD

Affected:< 1.26Fixed in:1.26CVE-2021-3718derived from NVD

thinkpad l590 firmwareNVD

Affected:< 1.26Fixed in:1.26CVE-2021-3718derived from NVD

thinkpad p43s firmwareNVD

Affected:< n2iet96wFixed in:n2iet96wCVE-2021-3718derived from NVD

thinkpad p52 firmwareNVD

Affected:< n2cet60wFixed in:n2cet60wCVE-2021-3718derived from NVD

thinkpad p53s firmwareNVD

Affected:< n2iet96wFixed in:n2iet96wCVE-2021-3718derived from NVD

thinkpad p72 firmwareNVD

Affected:< n2cet60wFixed in:n2cet60wCVE-2021-3718derived from NVD

thinkpad t490 firmwareNVD

Affected:< n2iet96wFixed in:n2iet96wCVE-2021-3718derived from NVD

thinkpad t590 firmwareNVD

Affected:< n2iet96wFixed in:n2iet96wCVE-2021-3718derived from NVD

thinkpad x12 detachable gen 1 firmwareNVD

Affected:< 1.16Fixed in:1.16CVE-2021-3718derived from NVD

thinkpad x390 yoga firmwareNVD

Affected:< n2let87wFixed in:n2let87wCVE-2021-3718derived 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 VectorPhysical

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.21%probability of exploitation in 30 days

11thpercentile

Low risk: more likely to be exploited than 11% of all known CVEs.

References

Vendor Advisory1

support.lenovo.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.