Is CVE-2020-8332 in the CISA KEV catalog?

No. CVE-2020-8332 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-8332?

CVE-2020-8332 has a CVSS v3 base score of 6.4 (MEDIUM).

What is the EPSS score for CVE-2020-8332?

CVE-2020-8332 has an EPSS score of 0.22% (12th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-8332?

Upgrade bladecenter hs23 firmware to tke170b or later. Fixes are available for 18 affected products.

CVE & CISA-KEV Catalog

CVE-2020-8332

MEDIUM

6.4

CVSS v3

NVD

Description

A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers in some legacy Lenovo and IBM System x servers may allow arbitrary code execution. Servers operating in UEFI mode are not affected.

CWE-367TOCTOU Race Condition

How to fix

Remediation Available

bladecenter hs23 firmwareNVD

Affected:< tke170bFixed in:tke170bCVE-2020-8332derived from NVD

bladecenter hs23e firmwareNVD

Affected:< ahe172bFixed in:ahe172bCVE-2020-8332derived from NVD

compute node-x440 firmwareNVD

Affected:< cge128aFixed in:cge128aCVE-2020-8332derived from NVD

flex system x220 firmwareNVD

Affected:< kse170bFixed in:kse170bCVE-2020-8332derived from NVD

flex system x240 firmwareNVD

Affected:< b2e172bFixed in:b2e172bCVE-2020-8332derived from NVD

flex system x440 firmwareNVD

Affected:< cne172bFixed in:cne172bCVE-2020-8332derived from NVD

idataplex dx360 m4 firmwareNVD

Affected:< tde168bFixed in:tde168bCVE-2020-8332derived from NVD

idataplex dx360 m4 water cooled firmwareNVD

Affected:< tde168bFixed in:tde168bCVE-2020-8332derived from NVD

nextscale nx360 m4 firmwareNVD

Affected:< fhe132bFixed in:fhe132bCVE-2020-8332derived from NVD

system x3300 m4 firmwareNVD

Affected:< yae166bFixed in:yae166bCVE-2020-8332derived from NVD

system x3500 m4 firmwareNVD

Affected:< y5e170bFixed in:y5e170bCVE-2020-8332derived from NVD

system x3530 m4 firmwareNVD

Affected:< bee174bFixed in:bee174bCVE-2020-8332derived from NVD

system x3550 m4 firmwareNVD

Affected:< d7e174bFixed in:d7e174bCVE-2020-8332derived from NVD

system x3630 m4 firmwareNVD

Affected:< bee174bFixed in:bee174bCVE-2020-8332derived from NVD

system x3650 m4 bd firmwareNVD

Affected:< vve172bFixed in:vve172bCVE-2020-8332derived from NVD

system x3650 m4 firmwareNVD

Affected:< vve172bFixed in:vve172bCVE-2020-8332derived from NVD

system x3650 m4 hd firmwareNVD

Affected:< vve172bFixed in:vve172bCVE-2020-8332derived from NVD

system x3750 m4 firmwareNVD

Affected:< koe170bFixed in:koe170bCVE-2020-8332derived 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

0.22%probability of exploitation in 30 days

12thpercentile

Low risk: more likely to be exploited than 12% of all known CVEs.

References

Vendor Advisory1

support.lenovo.com

Related Vulnerabilities

Other CWE-367 (TOCTOU Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-36980	High	8.1	83%	-	Fix
CVE-2024-30088	High	7.0	68%	KEV + Ransom	Fix
CVE-2004-0594	Medium	5.1	55%	-	Fix
CVE-2024-50379	Critical	9.8	44%	-	Fix
CVE-2023-38146	High	8.8	39%	-	Fix
CVE-2024-0132	Critical	9.0	37%	-	Fix

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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.