Buffer overflow in Lenovo Bios

CVE-2022-1890

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

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (27.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-1890: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-1890?
CVE-2022-1890 is a medium-severity vulnerability in Lenovo Bios, classified under Heap-based Buffer Overflow. CVSS score: 6.7/10. Published 2023-01-26.
How severe is CVE-2022-1890?
Medium severity. CVSS v3 base score is 6.7 out of 10.