Is CVE-2021-43547 in the CISA KEV catalog?

No. CVE-2021-43547 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-43547?

CVE-2021-43547 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-43547?

CVE-2021-43547 has an EPSS score of 2.49% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-43547?

Upgrade coredx dds to 5.9.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-43547

HIGHEPSS 83th pctl

7.5

CVSS v3

NVD

Description

TwinOaks Computing CoreDX DDS versions prior to 5.9.1 are susceptible to exploitation when an attacker sends a specially crafted packet to flood target devices with unwanted traffic. This may result in a denial-of-service condition and information exposure.

CWE-406

How to fix

Remediation Available

coredx ddsNVD

Affected:< 5.9.1Fixed in:5.9.1CVE-2021-43547derived 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

2.49%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Vendor Advisory1

twinoakscomputing.com

Third-Party Advisory1

cisa.gov

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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.