Is CVE-2021-33107 in the CISA KEV catalog?

No. CVE-2021-33107 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-33107?

CVE-2021-33107 has a CVSS v3 base score of 4.6 (MEDIUM).

What is the EPSS score for CVE-2021-33107?

CVE-2021-33107 has an EPSS score of 0.25% (16th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-33107?

Upgrade active management technology software development kit to 16.0.3 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-33107

MEDIUM

4.6

CVSS v3

NVD

Description

Insufficiently protected credentials in USB provisioning for Intel(R) AMT SDK before version 16.0.3, Intel(R) SCS before version 12.2 and Intel(R) MEBx before versions 11.0.0.0012, 12.0.0.0011, 14.0.0.0004 and 15.0.0.0004 may allow an unauthenticated user to potentially enable information disclosure via physical access.

CWE-522

How to fix

Remediation Available

active management technology software development kitNVD

Affected:< 16.0.3Fixed in:16.0.3CVE-2021-33107derived from NVD

management engine bios extensionNVD

Affected:< 11.0.0.0012Fixed in:11.0.0.0012CVE-2021-33107derived from NVD

setup and configuration softwareNVD

Affected:< 12.2Fixed in:12.2CVE-2021-33107derived 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

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.25%probability of exploitation in 30 days

16thpercentile

Low risk: more likely to be exploited than 16% of all known CVEs.

References

Patch2

Related Vulnerabilities

Other CWE-522 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-17662	Critical	9.8	97%	-	-
CVE-2020-29583	Critical	9.8	90%	KEV	-
CVE-2021-30116	Critical	10.0	86%	KEV + Ransom	Fix
CVE-2024-44000	Critical	9.8	83%	-	Fix
CVE-2018-9160	Critical	9.8	77%	-	-
CVE-2017-9248	Critical	9.8	75%	KEV	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 2025-05-05.