Home/CVE/The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad A285, BIOS versions up to r0xuj70w; A485, BIOS
CVE

CVE-2020-8335

The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad A285, BIOS versions up to r0xuj70w; A485, BIOS

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.

MEDIUM · CVSS 6.1 EPSS 0.00072
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Affected Products & Versions

8
lenovo thinkpad a275 firmware< 2020-08-30
lenovo thinkpad a285 firmware< 2020-08-30
lenovo thinkpad a475 firmware< 2020-08-30
lenovo thinkpad a485 firmware< 2020-08-30
lenovo thinkpad t495 drift firmware< 2020-08-30
lenovo thinkpad t495s jazz firmware< 2020-08-30
lenovo thinkpad x1 carbon \(20bx\) firmware< n14et54w
lenovo thinkpad x395 firmware< 2020-08-30
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · psirt@lenovo.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Sep 2020 · 10:15 PM
CVSS VectorCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.lenovo.com/us/en/product_security/LEN-30042Vendor Advisory
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