CVE-2021-3519

CVE-2021-3519 is a medium-severity vulnerability in Lenovo Ideacentre C5-14mb05 Firmware with a CVSS 3.x base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

• Severity: Medium (CVSS 3.x base score 6.4)
• CVSS v2: 6.9
• EPSS exploit prediction: 0% (14th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-287
• Affected product: Lenovo Ideacentre C5-14mb05 Firmware
• Published: 2021-11-12
• Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-3519?

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.

How severe is CVE-2021-3519?

CVE-2021-3519 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability high.

Is CVE-2021-3519 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3519?

CVE-2021-3519 primarily affects Lenovo Ideacentre C5-14mb05 Firmware. In total, 61 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-3519?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-3519 published?

CVE-2021-3519 was published on 2021-11-12 and last updated on 2026-06-17.

References

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

Affected products (61)

• cpe:2.3:o:lenovo:ideacentre_c5-14mb05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideacentre_3-07imb05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideacentre_5-14imb05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideacentre_5-14iob6_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideacentre_creator_5-14iob6_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideacentre_g5-14imb05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideacentre_gaming_5-14iob6_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m60e_tiny_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m630e_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m70a_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m70s_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m70t_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m710e_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m710s_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m710t_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m720e_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m75n_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m75s_gen_2_firmware:*:*:*:*:matisse:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m70a_gen_2_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m70c_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m70q_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m75s_gen_2_firmware:*:*:*:*:picasso\/renoir:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m75t_gen_2_firmware:*:*:*:*:matisse:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m75t_gen_2_firmware:*:*:*:*:picasso\/renoir:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m80q_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m80s_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m80t_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m810z_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m820z_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m90a_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m90q_tiny_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m90s_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_m90t_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_qt_m410_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_qt_b415_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_qt_m415_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:thinkcentre_e75_t\/s_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideacentre_310s-08igm_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideacentre_510a-15arr_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideacentre_510s-07icb_firmware:*:*:*:*:*:*:*:*

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