CVE-2021-38447

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-405

Affected software

Vendor	Product	Versions
OCI	OpenDDS	>= unspecified, < 3.18.1

References

https://opendds.org/Product
https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02Third Party Advisory, US Government Resource
https://opendds.org/Product
https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02Third Party Advisory, US Government Resource

Timeline

Published: May 5, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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