CVE-2021-38447 HIGH

CVE-2021-38447: OCI OpenDDS Secure Amplification

Vendor Oci

Product OpenDDS

Weakness CWE-405

Published May 5, 2022

Last update April 16, 2025

View on NVD All CVEs

CVSS base score

8.6/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 5, 2022 CVE published

April 16, 2025 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2021-38447 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/405.html