Auth bypass in Lenovo Desktop Bios
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H.
EPSS exploit prediction
EPSS: 0.002 (14.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Lenovo Desktop Bios — versions various
- Lenovo Ideacentre 3-07imb05
- Lenovo Ideacentre 3-07imb05 Firmware
- Lenovo Ideacentre 310s-08igm
- Lenovo Ideacentre 310s-08igm Firmware
- Lenovo Ideacentre 510a-15arr
- Lenovo Ideacentre 510a-15arr Firmware
- Lenovo Ideacentre 510s-07icb
- Lenovo Ideacentre 510s-07icb Firmware
- Lenovo Ideacentre 510s-07ick
Weakness classification (CWE)
References
- support.lenovo.com/us/en/product_security/LEN-67440 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-3519?
- CVE-2021-3519 is a medium-severity vulnerability in Lenovo Desktop Bios, classified under Improper Authentication. CVSS score: 6.4/10. Published 2021-11-12.
- How severe is CVE-2021-3519?
- Medium severity. CVSS v3 base score is 6.4 out of 10.