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CVE Record

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

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.

HighCVSS 7.5Not KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CoreDX DDS versions before 5.9.1 can be abused over the network to create unwanted traffic floods. For leaders, the main business risk is service disruption to systems that depend on this middleware. The source also mentions possible information exposure, but provides limited detail on what data could be exposed. Exposure is most likely where CoreDX DDS is deployed and reachable over networks, especially operational or embedded environments. The provided sources do not identify specific downstream products, CPEs, or exposed deployment patterns. Prioritize remediation for internet-reachable, OT, or business-critical deployments because the credible impact is disruption. Treat unknown embedded usage as an inventory problem until vendors confirm exposure. Mitigation focus: Upgrade CoreDX DDS deployments to version 5.9.1 or later.; Check TwinOaks Computing and CISA guidance for current remediation details.; Inventory systems and products that embed or depend on CoreDX DDS..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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cwe · low confidence lookup

CWE-406: Exact CWE lookup

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cve · low confidence lookup

CVE-2021-43547 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.5 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2021-43547Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
TwinOaks ComputingCoreDX DDSunspecifiedListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-406 · source CWE mapping

Insufficient Control of Network Message Volume (Network Amplification)

Insufficient Control of Network Message Volume (Network Amplification) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.