Is CVE-2021-38425 actively exploited?

No active exploitation of CVE-2021-38425 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-38425 be exploited remotely?

Yes. CVE-2021-38425 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-38425?

CVE-2021-38425 has a CVSS score of 9.1 (CRITICAL).

HOME VULNERABILITIESCVE-2021-38425

CRITICAL

CVE-2021-38425

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

9.1

CVSS v3.1

Official Description

eProsima Fast DDS versions prior to 2.4.0 (#2269) are susceptible to exploitation when an attacker sends a specially crafted packet to flood a target device with unwanted traffic, which may result in a denial-of-service condition and information exposure.

NVD Source

Risk Analysis

eProsima Fast DDS is vulnerable to traffic flooding, which can result in denial-of-service and information exposure. The 9.1 CVSS score indicates a critical risk.

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

Recommended Action

Upgrade eProsima Fast DDS to version 2.4.0 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-2021-38425 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.