Is CVE-2021-38429 actively exploited?

No active exploitation of CVE-2021-38429 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-38429 be exploited remotely?

Yes. CVE-2021-38429 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-38429?

CVE-2021-38429 has a CVSS score of 9.1 (CRITICAL).

HOME VULNERABILITIESCVE-2021-38429

CRITICAL

CVE-2021-38429

CWE-406Published: May 5, 2022· Updated: Jun 17, 2026

9.1

CVSS v3.1

Official 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 and information exposure.

NVD Source

Risk Analysis

OCI OpenDDS is vulnerable to a traffic flooding attack that can cause denial-of-service and information exposure. It carries a critical CVSS score of 9.1.

No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable.

Recommended Action

Upgrade OCI OpenDDS to version 3.18.1 or later.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-38429 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), availability disruption (denial of service), with a CVSS base score of 9.1.