CVE-2020-8335 - CVE House
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Status published Medium CVE-2020-8335

The BIOS tamper detection mechanism was not triggered in Lenovo...

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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Lenovo thanks Zoltan Harmath for reporting this issue.

References

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Affected Vendor

Affected Software

ThinkPad A285 BIOS, ThinkPad A485 BIOS, ThinkPad T495 BIOS, ThinkPad T495s/X395 BIOS
Vulnerable Versions:
unspecified

Timeline

Official Publish: September 1st, 2020
Last Modified: September 16th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.