CVE-2020-8335

mediumpriority · track · 27OT risk · elevatedEPSS 0.003 · 24 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.31% (24th) EPSS

CVSS 4.6 · medium

Is it mine?

12 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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 versions up to r13uj47w, while the emergency-reset button is pressed which may allow for unauthorized access.

cvss

Technical severity, 0–10. One row per scoring source.

6.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.6mediumAV:L/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 6.4

v3.16.8mediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 0.9 · impact 5.9

v3.16.1mediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Hsecondary · ENISA EU

v3.16.1mediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Hsecondary · psirt@lenovo.comexploitability 0.9 · impact 5.2

v3.16.2mediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USLLM-inferred

affected products (12)

Products and version ranges known to be affected.

Lenovo ThinkPad A285 BIOSunspecified → r0xuj70wenisa_euvdEU
Lenovo ThinkPad A485 BIOSunspecified → r0wuj65wenisa_euvdEU
Lenovo ThinkPad T495 BIOSunspecified → r12uj55wenisa_euvdEU
Lenovo ThinkPad T495s/X395 BIOSunspecified → r13uj47wenisa_euvdEU
lenovo thinkpad a275 firmware< 2020-08-30nvdUScpe:2.3:o:lenovo:thinkpad_a275_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad a285 firmware< 2020-08-30nvdUScpe:2.3:o:lenovo:thinkpad_a285_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad a475 firmware< 2020-08-30nvdUScpe:2.3:o:lenovo:thinkpad_a475_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad a485 firmware< 2020-08-30nvdUScpe:2.3:o:lenovo:thinkpad_a485_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad t495 drift firmware< 2020-08-30nvdUScpe:2.3:o:lenovo:thinkpad_t495_drift_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad t495s jazz firmware< 2020-08-30nvdUScpe:2.3:o:lenovo:thinkpad_t495s_jazz_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad x1 carbon (20bx) firmware< n14et54wnvdUScpe:2.3:o:lenovo:thinkpad_x1_carbon_\(20bx\)_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad x395 firmware< 2020-08-30nvdUScpe:2.3:o:lenovo:thinkpad_x395_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2020-09-01modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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