Is CVE-2021-36277 in the CISA KEV catalog?

No. CVE-2021-36277 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-36277?

CVE-2021-36277 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-36277?

CVE-2021-36277 has an EPSS score of 0.17% (7th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-36277?

Upgrade alienware command center application to 5.4.35.0 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-36277

HIGH

7.8

CVSS v3

NVD

Description

Dell Command | Update, Dell Update, and Alienware Update versions before 4.3 contains an Improper Verification of Cryptographic Signature Vulnerability. A local authenticated malicious user may exploit this vulnerability by executing arbitrary code on the system.

CWE-347

How to fix

Remediation Available

alienware command center applicationNVD

Affected:< 5.4.35.0Fixed in:5.4.35.0CVE-2021-36277derived from NVD

command \| updateNVD

Affected:< 4.3.0Fixed in:4.3.0CVE-2021-36277derived from NVD

update\/alienware updateNVD

Affected:< 4.3.0Fixed in:4.3.0CVE-2021-36277derived 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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.17%probability of exploitation in 30 days

7thpercentile

Low risk: more likely to be exploited than 7% of all known CVEs.

References

Patch1

dell.com

Related Vulnerabilities

Other CWE-347 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2018-16042	Medium	6.5	82%	-	-
CVE-2025-59718	Critical	9.8	66%	KEV	Fix
CVE-2025-25292	Critical	9.8	64%	-	Fix
CVE-2021-22160	Critical	9.8	53%	-	Fix
CVE-2013-3900	Medium	5.5	45%	KEV	-
CVE-2018-0114	High	7.5	43%	-	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.