CVE-2020-8334
The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T495s, X395, T495, A485,...
The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T495s, X395, T495, A485, A285, A475, A275 which may allow for unauthorized access.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T495s, X395, T495, A485, A285, A475, A275 which may allow for unauthorized access.
- Record
CVE-2020-8334- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Updated
- 2026-11-02
EUVDEUVD-2020-29201
The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T495s, X395, T495, A485, A285, A475, A275 which may allow for unauthorized access.
- Record
EUVD-2020-29201- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9x9m-j8v4-cx96 No score
The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T495s, X395, T495, A485,...
The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T495s, X395, T495, A485, A285, A475, A275 which may allow for unauthorized access.
- Record
GHSA-9x9m-j8v4-cx96- Weakness
- CWE-863
- Updated
- 2026-11-02
NVD
The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T495s, X395, T495, A485, A285, A475, A275 which may allow for unauthorized access.
- Record
CVE-2020-8334- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-754
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-8334 is a medium vulnerability (CVSS 6.1) in Lenovo Bios, published June 9, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 25th percentile. No source names a fixed version.