synced 12 MIN AGO
01 Record

CVE-2020-8335

The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad A285, BIOS versions up to r0xuj70w; A485, BIOS versions up to r0wuj65w; T495 BIOS versions up to r12uj55w; T495s/X395, BIOS

MediumPUBLISHEDCNA: lenovo
CNA base score6.1 CVSS v3.xCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

02 Description

The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad A285, BIOS versions up to r0xuj70w; A485, BIOS versions up to r0wuj65w; T495 BIOS versions up to r12uj55w; T495s/X395, BIOS

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
0.31% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 23.9% 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
2020-09-01 21:30Z6 YR AGO
Last updated
2024-09-16 18:04Z2 YR AGO
Reserved
2020-01-28
Assigning CNA
lenovo
Record state
PUBLISHED
Severity
Medium (CVSS 6.1)
CNA CVSS vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Weaknesses
No CWE assigned
Data version
5.1
Document digest
12d6c7045e9ec64e94f1dbd1577ec28151897bc88814f9d77402e8c296fd962b

05 Affected products

VendorProductVersionsPlatforms
LenovoThinkPad A285 BIOS< r0xuj70w—
LenovoThinkPad A485 BIOS< r0wuj65w—
LenovoThinkPad T495 BIOS< r12uj55w—
LenovoThinkPad T495s/X395 BIOS< r13uj47w—

06 References

07 Remediation

Update BIOS to the following BIOS versions (or later): Lenovo ThinkPad A285: r0xuj70w ; A485: r0wuj65w ; T495: r12uj55w ; T495s/X395: r13uj47w