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Vulnerability Intelligence Report
OCI OpenDDS Secure Amplification

CVE-2021-38447

OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition.

No Active Exploit Signals
CVSS Base Score
8.6
HIGH
Exploitability:3.9
Impact Score:4.8
EPSS Probability:2.00%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
Authentication
Weaponization
SSVC Action

Weaknesses (CWE)

CWE-405 ↗CWE-405 Asymmetric Resource Consumption (Amplification)

Affected Products & Versions

Vendor Product Affected Versions
OCI OpenDDS unspecified < 3.18.1 (affected)

References & Technical Advisories

No reference links found.

Threat Intelligence Signals

EPSS Score
2.004%

Identity & Timeline

StatusPUBLISHED
Assigning AuthorityCybersecurity and Infrastructure Security Agency (CISA) Industrial Control Systems (ICS) · CERT · USA
Reserved2021-08-10T00:00:00
Published2022-05-05T15:18:06
Last Updated2025-04-16T16:23:41

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