Is CVE-2020-8321 in the CISA KEV catalog?

No. CVE-2020-8321 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-8321?

CVE-2020-8321 has a CVSS v3 base score of 6.4 (MEDIUM).

What is the EPSS score for CVE-2020-8321?

CVE-2020-8321 has an EPSS score of 0.33% (25th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-8321?

Upgrade thinkstation p410 firmware to s00kya7a or later. Fixes are available for 11 affected products.

CVE & CISA-KEV Catalog

CVE-2020-8321

MEDIUM

6.4

CVSS v3

NVD

Description

A potential vulnerability in the SMI callback function used in the System Lock Preinstallation driver in some Lenovo Notebook and ThinkStation models may allow arbitrary code execution.

How to fix

Remediation Available

thinkstation p410 firmwareNVD

Affected:< s00kya7aFixed in:s00kya7aCVE-2020-8321derived from NVD

thinkstation p500 firmwareNVD

Affected:< a4kt67aFixed in:a4kt67aCVE-2020-8321derived from NVD

thinkstation p510 firmwareNVD

Affected:< s00kya7aFixed in:s00kya7aCVE-2020-8321derived from NVD

thinkstation p520 firmwareNVD

Affected:< 2020-09-01Fixed in:2020-09-01CVE-2020-8321derived from NVD

thinkstation p520c firmwareNVD

Affected:< 2020-09-01Fixed in:2020-09-01CVE-2020-8321derived from NVD

thinkstation p700 firmwareNVD

Affected:< a5kta7aFixed in:a5kta7aCVE-2020-8321derived from NVD

thinkstation p710 firmwareNVD

Affected:< s01kt67aFixed in:s01kt67aCVE-2020-8321derived from NVD

thinkstation p720 firmwareNVD

Affected:< 2020-09-01Fixed in:2020-09-01CVE-2020-8321derived from NVD

thinkstation p900 firmwareNVD

Affected:< a6kta7aFixed in:a6kta7aCVE-2020-8321derived from NVD

thinkstation p910 firmwareNVD

Affected:< s02kt67aFixed in:s02kt67aCVE-2020-8321derived from NVD

thinkstation p920 firmwareNVD

Affected:< 2020-09-01Fixed in:2020-09-01CVE-2020-8321derived 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 VectorLocal

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.33%probability of exploitation in 30 days

25thpercentile

Low risk: more likely to be exploited than 25% of all known CVEs.

References

Vendor Advisory1

support.lenovo.com

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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.