CVE & CISA-KEV Catalog

CVE-2020-8335

MEDIUM
6.1
CVSS v3
NVD

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.

How to fix

Remediation Available
thinkpad a275 firmwareNVD
Affected:< 2020-08-30Fixed in:2020-08-30CVE-2020-8335derived from NVD
thinkpad a285 firmwareNVD
Affected:< 2020-08-30Fixed in:2020-08-30CVE-2020-8335derived from NVD
thinkpad a475 firmwareNVD
Affected:< 2020-08-30Fixed in:2020-08-30CVE-2020-8335derived from NVD
thinkpad a485 firmwareNVD
Affected:< 2020-08-30Fixed in:2020-08-30CVE-2020-8335derived from NVD
thinkpad t495 drift firmwareNVD
Affected:< 2020-08-30Fixed in:2020-08-30CVE-2020-8335derived from NVD
thinkpad t495s jazz firmwareNVD
Affected:< 2020-08-30Fixed in:2020-08-30CVE-2020-8335derived from NVD
thinkpad x1 carbon \(20bx\) firmwareNVD
Affected:< n14et54wFixed in:n14et54wCVE-2020-8335derived from NVD
thinkpad x395 firmwareNVD
Affected:< 2020-08-30Fixed in:2020-08-30CVE-2020-8335derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorPhysical
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.31%probability of exploitation in 30 days
23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

Vendor Advisory1
Embed a live status badge for CVE-2020-8335
CVE-2020-8335 severity badge

Markdown

[![CVE-2020-8335](https://tridentstack.com/cve/badge/CVE-2020-8335.svg)](https://tridentstack.com/cve/CVE-2020-8335)

HTML

<a href="https://tridentstack.com/cve/CVE-2020-8335"><img src="https://tridentstack.com/cve/badge/CVE-2020-8335.svg" alt="CVE-2020-8335"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.