CVE-2022-1892

CVE-2022-1892 is a medium-severity vulnerability in Lenovo 100e 2nd Gen Firmware with a CVSS 3.x base score of 6.7. 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-120.

Key facts

• Severity: Medium (CVSS 3.x base score 6.7)
• EPSS exploit prediction: 0% (26th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-120
• Affected product: Lenovo 100e 2nd Gen Firmware
• Published: 2023-01-26
• Last modified: 2026-06-17

Description

A buffer overflow in the SystemBootManagerDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.

Frequently asked questions

What is CVE-2022-1892?

A buffer overflow in the SystemBootManagerDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.

How severe is CVE-2022-1892?

CVE-2022-1892 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-1892 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-1892?

CVE-2022-1892 primarily affects Lenovo 100e 2nd Gen Firmware. In total, 70 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-1892?

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

When was CVE-2022-1892 published?

CVE-2022-1892 was published on 2023-01-26 and last updated on 2026-06-17.

References

• https://support.lenovo.com/us/en/product_security/LEN-91369

Affected products (70)

• cpe:2.3:o:lenovo:100e_2nd_gen_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:100w_gen_3_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:13w_yoga_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:14w_gen_2_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:300e_2nd_gen_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:300w_gen_3_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:500w_gen_3_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:730s-13iml_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:flex_3-11ada05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:flex_5-14alc05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:flex_5-14are05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:flex_5-14iil05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:flex_5-14itl05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:flex_5-15alc05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:flex_5-15iil05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:flex_5-15itl05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideapad_1-11ada05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideapad_1-11igl05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideapad_1-14ada05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideapad_1-14igl05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideapad_3-15ada05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideapad_3-14ada05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideapad_3-14ada6_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideapad_3-14alc6_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideapad_3-15ada6_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideapad_3-15alc6_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideapad_3-17alc6_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideapad_3-17ada05_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideapad_3-17ada6_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideapad_5_15aba7_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideapad_flex_5_14alc7_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:ideapad_flex_5_16alc7_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:legion_s7-15imh5_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:legion_s7-15ach6_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:legion_s7-15arh5_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:s145-14api_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:s145-14ast_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:s145-15api_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:s145-15ast_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lenovo:s540-13api_firmware:*:*:*:*:*:*:*:*

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