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Vulnerability record · CVE-2021-3519 · published 12 November 2021

CVE-2021-3519: Lenovo ideacentre c5-14mb05 firmware improper authentication vulnerability

Lenovo · Ideacentre C5 14mb05 Firmware

A vulnerability was reported in some Lenovo Desktop models that could allow unauthorized access to the boot menu, when the "BIOS Password At Boot Device List" BIOS setting is Yes.

6.8 CVSS 3.1 Medium EPSS 0.24% · top 86.3% CWE-287 · Improper authentication
6.8CVSS 3.1 base score, v2 6.9
0.24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
59Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A vulnerability was reported in some Lenovo Desktop models that could allow unauthorized access to the boot menu, when the "BIOS Password At Boot Device List" BIOS setting is Yes.

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

Affected products

59 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%6.7CVE-2023-45079Lenovo ideacentre c5-14imb05 firmware out-of-bounds read vulnerabilityA memory leakage vulnerability was reported in the NvmramSmm SMM driver that may allow a local attacker with elevated privileges to write to NVRAM va…EPSS 0.22%6.7CVE-2023-45077Lenovo ideacentre c5-14imb05 firmware out-of-bounds read vulnerabilityA memory leakage vulnerability was reported in the 534D0740 DXE driver that may allow a local attacker with elevated privileges to write to NVRAM var…EPSS 0.22%6.7CVE-2023-45078Lenovo ideacentre c5-14imb05 firmware out-of-bounds read vulnerabilityA memory leakage vulnerability was reported in the DustFilterAlertSmm SMM driver that may allow a local attacker with elevated privileges to write to…EPSS 0.23%6.7CVE-2023-45076Lenovo ideacentre c5-14imb05 firmware out-of-bounds read vulnerabilityA memory leakage vulnerability was reported in the 534D0140 DXE driver that may allow a local attacker with elevated privileges to write to NVRAM var…EPSS 0.23%6.7CVE-2023-43581Lenovo ideacentre c5-14imb05 firmware classic buffer overflow vulnerabilityA buffer overflow was reported in the Update_WMI module in some Lenovo Desktop products that may allow a local attacker with elevated privileges to e…EPSS 0.23%6.7CVE-2023-43579Lenovo ideacentre c5-14imb05 firmware classic buffer overflow vulnerabilityA buffer overflow was reported in the SmuV11Dxe driver in some Lenovo Desktop products that may allow a local attacker with elevated privileges to ex…EPSS 0.23%

Source: NIST National Vulnerability Database (record CVE-2021-3519), CISA KEV, FIRST EPSS (scores of 2026-10-12). This page is refreshed as NVD updates the record.