Is CVE-2021-3719 in the CISA KEV catalog?

No. CVE-2021-3719 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-3719?

CVE-2021-3719 has a CVSS v3 base score of 6.7 (MEDIUM).

What is the EPSS score for CVE-2021-3719?

CVE-2021-3719 has an EPSS score of 0.24% (15th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-3719?

Upgrade thinkcentre m4500q firmware to fhkt86a or later. Fixes are available for 12 affected products.

CVE & CISA-KEV Catalog

CVE-2021-3719

MEDIUM

6.7

CVSS v3

NVD

Description

A potential vulnerability in the SMI callback function that saves and restore boot script tables used for resuming from sleep state in some ThinkCentre and ThinkStation models may allow an attacker with local access and elevated privileges to execute arbitrary code.

CWE-20Improper Input Validation

How to fix

Remediation Available

thinkcentre m4500q firmwareNVD

Affected:< fhkt86aFixed in:fhkt86aCVE-2021-3719derived from NVD

thinkcentre m600 firmwareNVD

Affected:< m00kt65aFixed in:m00kt65aCVE-2021-3719derived from NVD

thinkcentre m700 tiny firmwareNVD

Affected:< fwktb9aFixed in:fwktb9aCVE-2021-3719derived from NVD

thinkcentre m73 firmwareNVD

Affected:< fhkt86aFixed in:fhkt86aCVE-2021-3719derived from NVD

thinkcentre m800 firmwareNVD

Affected:< fwktb9aFixed in:fwktb9aCVE-2021-3719derived from NVD

thinkcentre m818z firmwareNVD

Affected:< m1ekt23aFixed in:m1ekt23aCVE-2021-3719derived from NVD

thinkcentre m900 firmwareNVD

Affected:< fwktb9aFixed in:fwktb9aCVE-2021-3719derived from NVD

thinkcentre m900x firmwareNVD

Affected:< fwktb9aFixed in:fwktb9aCVE-2021-3719derived from NVD

thinkcentre x1 firmwareNVD

Affected:< m0hkt50aFixed in:m0hkt50aCVE-2021-3719derived from NVD

thinkstation p500 firmwareNVD

Affected:< a4ktabaFixed in:a4ktabaCVE-2021-3719derived from NVD

thinkstation p700 firmwareNVD

Affected:< a5ktabaFixed in:a5ktabaCVE-2021-3719derived from NVD

thinkstation p900 firmwareNVD

Affected:< a6ktabaFixed in:a6ktabaCVE-2021-3719derived 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 VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.24%probability of exploitation in 30 days

15thpercentile

Low risk: more likely to be exploited than 15% of all known CVEs.

References

Vendor Advisory1

support.lenovo.com

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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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.