What’s Vulnerable › Vulnerabilities

CVE-2021-43547: TwinOaks Computing CoreDX DDS Secure Network Amplification

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-05-05 · updated 2026-06-17
• Weakness: CWE-406

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.

Affected products

• TwinOaks Computing CoreDX DDS: before 5.9.1 — fixed in 5.9.1

How to fix

Upgrade to a fixed version: TwinOaks Computing CoreDX DDS 5.9.1. Check the vendor advisory for mitigations.

References

• http://www.twinoakscomputing.com/coredx/download
• https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02
• http://www.twinoakscomputing.com/coredx/download
• https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02

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