synced 9 MIN AGO
01 Record

CVE-2021-3614

A vulnerability was reported on some Lenovo Notebook systems that could allow an attacker with physical access to elevate privileges under certain conditions during a BIOS update performed by Lenovo

MediumPUBLISHEDCNA: lenovo
CNA base score6.4 CVSS v3.xCVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

02 Description

A vulnerability was reported on some Lenovo Notebook systems that could allow an attacker with physical access to elevate privileges under certain conditions during a BIOS update performed by Lenovo

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.23% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 14.5% of scored records. A rank, not a probability.
NVD base score
6.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-07-16 20:30Z5 YR AGO
Last updated
2024-08-03 17:01Z2 YR AGO
Reserved
2021-06-23
Assigning CNA
lenovo
Record state
PUBLISHED
Severity
Medium (CVSS 6.4)
CNA CVSS vector
CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-636Not Failing Securely ('Failing Open')Class
Data version
5.1
Document digest
92466792953f12b3113f38093a5bbe2de54f4617a705df4c64a9105f5021b41c

05 Affected products

VendorProductVersionsPlatforms
LenovoNotebook BIOSvarious—

06 References

07 Remediation

Update system firmware to the version (or newer) indicated for your model in the Product Impact section of LEN-65529.