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Vulnerability record · CVE-2021-3719 · published 12 November 2021

CVE-2021-3719: Lenovo thinkcentre e93 firmware improper input validation vulnerability

Lenovo · Thinkcentre E93 Firmware

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.

6.7 CVSS 3.1 Medium EPSS 0.25% · top 84.7% CWE-20 · Improper input validation
6.7CVSS 3.1 base score, v2 7.2
0.25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
20Affected product versions listed by NVD
2References
17 Jun 2026Last modified by 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.

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

Affected products

20 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-6188Lenovo 510-15ikl firmware vulnerabilityThe BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T460p, BIOS versions up to R07ET90W, and T470p, BIOS versions up to R0FET50W…EPSS 1.3%7.8CVE-2022-48181Lenovo ideacentre c5-14imb05 firmware out-of-bounds write vulnerabilityAn ErrorMessage driver stack-based buffer overflow vulnerability in BIOS of some ThinkPad models could allow an attacker with local access to elevate…EPSS 0.19%7.8CVE-2020-8333Lenovo 63 firmware vulnerabilityA potential vulnerability in the SMI callback function used in the EEPROM driver in some Lenovo Desktops and ThinkStation models may allow arbitrary …EPSS 0.33%6.8CVE-2017-3753Lenovo ideacentre 300-20ish firmware code injection vulnerabilityA vulnerability has been identified in some Lenovo products that use UEFI (BIOS) code developed by American Megatrends, Inc. (AMI). With this vulnera…EPSS 0.52%6.7CVE-2021-4211Lenovo a340-22icb firmware improper input validation vulnerabilityA potential vulnerability in the SMI callback function used in the SMBIOS event log driver in some Lenovo Desktop, ThinkStation, and ThinkEdge models…EPSS 0.26%6.7CVE-2021-4210Lenovo stadia ggp-120 firmware improper input validation vulnerabilityA potential vulnerability in the SMI callback function used in the NVME driver in some Lenovo Desktop, ThinkStation, and ThinkEdge models may allow a…EPSS 0.26%6.4CVE-2019-6170Lenovo 510-15ikl firmware vulnerabilityA potential vulnerability in the SMI callback function used in the Legacy USB driver using boot services structure in runtime phase in some Lenovo Th…EPSS 0.35%6.4CVE-2019-6172Lenovo 510-15ikl firmware vulnerabilityA potential vulnerability in the SMI callback function used in Legacy USB driver using passed parameter without sufficient checking in some Lenovo Th…EPSS 0.33%

Source: NIST National Vulnerability Database (record CVE-2021-3719), CISA KEV, FIRST EPSS (scores of 2026-10-16). This page is refreshed as NVD updates the record.