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Vulnerability record · CVE-2021-38425 · published 5 May 2022

CVE-2021-38425: Eprosima fast dds vulnerability

Eprosima · Fast Dds

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.

9.1 CVSS 3.1 Critical EPSS 5.2% · top 7.9% CWE-406 · CWE-406
9.1CVSS 3.1 base score, v2 6.4
5.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/eProsima/Fast-DDS ProductThird Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02 Third Party AdvisoryUS Government Resource
https://github.com/eProsima/Fast-DDS ProductThird Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2025-67108Eprosima fast dds vulnerabilityeProsima Fast-DDS v3.3 was discovered to contain improper validation for ticket revocation, resulting in insecure communications and connections.EPSS 0.31%9.8CVE-2023-50716Eprosima fast dds use after free vulnerabilityeProsima Fast DDS (formerly Fast RTPS) is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to ver…EPSS 0.72%8.1CVE-2023-50257Eprosima fast dds improper access control vulnerabilityeProsima Fast DDS (formerly Fast RTPS) is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Even with th…EPSS 0.48%7.5CVE-2025-62600Eprosima fast dds integer overflow vulnerabilityeprosima Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group). Prior to 2.6.11, 2.14…EPSS 0.44%7.5CVE-2025-62599Eprosima fast dds integer overflow vulnerabilityeprosima Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group). Prior to 2.6.11, 2.14…EPSS 0.38%7.5CVE-2025-65865Eprosima fast dds integer overflow vulnerabilityAn integer overflow in eProsima Fast-DDS v3.3 allows attackers to cause a Denial of Service (DoS) via a crafted input.EPSS 0.40%7.5CVE-2025-63829Eprosima fast dds integer overflow vulnerabilityeProsima Fast-DDS v3.3 and before has an infinite loop vulnerability caused by integer overflow in the Time_t:: fraction() function.EPSS 0.32%7.5CVE-2024-30258Eprosima fast dds improper input validation vulnerabilityFastDDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group). Prior to versions 2.14.1, 2.13.…EPSS 0.79%

Source: NIST National Vulnerability Database (record CVE-2021-38425), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.