Is CVE-2021-34405 in the CISA KEV catalog?

No. CVE-2021-34405 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-34405?

CVE-2021-34405 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2021-34405?

CVE-2021-34405 has an EPSS score of 0.23% (13th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-34405?

Upgrade shield experience to 9.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-34405

MEDIUM

5.5

CVSS v3

NVD

Description

NVIDIA Linux distributions contain a vulnerability in TrustZone’s TEE_Malloc function, where an unchecked return value causing a null pointer dereference may lead to denial of service.

CWE-252

How to fix

Remediation Available

shield experienceNVD

Affected:< 9.0Fixed in:9.0CVE-2021-34405derived 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 ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.23%probability of exploitation in 30 days

13thpercentile

Low risk: more likely to be exploited than 13% of all known CVEs.

References

Vendor Advisory1

nvidia.custhelp.com

Related Vulnerabilities

Other CWE-252 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2005-4360	High	7.8	87%	-	-
CVE-2007-3798	Critical	9.8	70%	-	Fix
CVE-2010-0211	Critical	9.8	29%	-	Fix
CVE-2022-23626	High	8.5	9.9%	-	Fix
CVE-2019-10902	High	7.5	4.7%	-	-
CVE-2018-20216	High	7.5	3.9%	-	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.