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%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Cybersecurity and Infrastructure Security Agency (CISA) Industrial Control Systems (ICS) · CERT · USA |
| Reserved | 2021-08-10T00:00:00 |
| Published | 2022-05-05T15:18:06 |
| Last Updated | 2025-04-16T16:23:41 |
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