CVE-2021-3719

MEDIUM

6.7

CVSS Score

Published: November 12, 2021 at 10:05 PM UTC

Updated: June 17, 2026 at 04:05 AM UTC

42 products affected across 1 vendorThinkcentre M818Z FirmwareThinkcentre M800 FirmwareThinkcentre M900 Firmware

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Severity

MEDIUM6.7

Exploit prediction

EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Thinkcentre E93 Firmware · Lenovo

95%

v < fbktdfa

Affected range stops below fbktdfa, so it looks safe — our inference, not a vendor statement

lenovo-thinkcentre-e93 (same device)

Thinkcentre M4500Q Firmware · Lenovo

95%

v < fhkt86a

Affected range stops below fhkt86a, so it looks safe — our inference, not a vendor statement

lenovo-thinkcentre-m4500q (same device)

Thinkcentre M600 Firmware · Lenovo

95%

v < m00kt65a

Affected range stops below m00kt65a, so it looks safe — our inference, not a vendor statement

lenovo-thinkcentre-m600 (same device)

Thinkcentre M6500T /s Firmware · Lenovo

95%

v < fbktdfa

Affected range stops below fbktdfa, so it looks safe — our inference, not a vendor statement

lenovo-thinkcentre-m6500t-s (same device)

Thinkcentre M700 Tiny Firmware · Lenovo

95%

v < fwktb9a

Affected range stops below fwktb9a, so it looks safe — our inference, not a vendor statement

lenovo-thinkcentre-m700-tiny (same device)

Thinkcentre M73 Firmware · Lenovo

95%

v < fhkt86a

Affected range stops below fhkt86a, so it looks safe — our inference, not a vendor statement

lenovo-thinkcentre-m73 (same device)

Thinkcentre M73P Firmware · Lenovo

95%

v < fbktdfa

Affected range stops below fbktdfa, so it looks safe — our inference, not a vendor statement

lenovo-thinkcentre-m73p (same device)

Thinkcentre M800 Firmware · Lenovo

95%

v < fwktb9a

Affected range stops below fwktb9a, so it looks safe — our inference, not a vendor statement

lenovo-thinkcentre-m800 (same device)

Thinkcentre M818Z Firmware · Lenovo

95%

v < m1ekt23a

Affected range stops below m1ekt23a, so it looks safe — our inference, not a vendor statement

lenovo-thinkcentre-m818z (same device)

Thinkcentre M83 Firmware · Lenovo

95%

v < fbktdfa

Affected range stops below fbktdfa, so it looks safe — our inference, not a vendor statement

lenovo-thinkcentre-m83 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://support.lenovo.com/us/en/product_security/LEN-67440

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://support.lenovo.com/us/en/product_security/LEN-67440

CVSS

6.7MEDIUMlenovo

Attack Vector: LOCAL
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-20NVD-CWE-noinfo

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