CVE & CISA-KEV Catalog

CVE-2021-36321

HIGH

7.5

CVSS v3

Description

Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an improper input validation vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by sending specially crafted data to trigger a denial of service.

CWE-20Improper Input Validation

How to fix

Remediation Available

x1008 firmwareNVD

Affected:< 3.0.1.8Fixed in:3.0.1.8CVE-2021-36321derived from NVD

x1008p firmwareNVD

Affected:< 3.0.1.8Fixed in:3.0.1.8CVE-2021-36321derived from NVD

x1018 firmwareNVD

Affected:< 3.0.1.8Fixed in:3.0.1.8CVE-2021-36321derived from NVD

x1018p firmwareNVD

Affected:< 3.0.1.8Fixed in:3.0.1.8CVE-2021-36321derived from NVD

x1026 firmwareNVD

Affected:< 3.0.1.8Fixed in:3.0.1.8CVE-2021-36321derived from NVD

x1026p firmwareNVD

Affected:< 3.0.1.8Fixed in:3.0.1.8CVE-2021-36321derived from NVD

x1052 firmwareNVD

Affected:< 3.0.1.8Fixed in:3.0.1.8CVE-2021-36321derived from NVD

x1052p firmwareNVD

Affected:< 3.0.1.8Fixed in:3.0.1.8CVE-2021-36321derived from NVD

x4012 firmwareNVD

Affected:< 3.0.1.8Fixed in:3.0.1.8CVE-2021-36321derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.25%probability of exploitation in 30 days

66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Patch1

dell.com

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	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 2024-11-21.