Is CVE-2021-3719 actively exploited?

No active exploitation of CVE-2021-3719 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-3719 be exploited remotely?

No. CVE-2021-3719 requires local access to exploit.

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

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

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MEDIUM

CVE-2021-3719

CWE-20Published: November 12, 2021· Updated: Jun 17, 2026

6.7

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2021-3719 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.7.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges Req.High

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

Affected Vendors & Products

Lenovo40 product(s)

thinkcentre e93 firmwarethinkcentre e93thinkcentre m600 firmwarethinkcentre m600thinkcentre m700 tiny firmwarethinkcentre m700 tinythinkcentre m73 firmwarethinkcentre m73thinkcentre m73p firmwarethinkcentre m73pthinkcentre m800 firmwarethinkcentre m800+28

Source: NVD CPE · 40 total CPE entries