CVE-2021-38425 eProsima Fast DDS Network Amplification
High 7.5
Published
Updated
Check this codebase for CVE-2021-38425 and fix it if it is affected.
What it is: CVE-2021-38425 is a high-severity vulnerability in eProsima Fast DDS, published on 5 May 2022.
Exploitation: There is no known exploitation of CVE-2021-38425 in the wild and no public exploit code.
Affected product: eProsima Fast DDS. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2021-38425/ (Markdown: https://insights.sbomify.com/CVE-2021-38425/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2021-38425?
CVE-2021-38425 is a high-severity vulnerability in eProsima Fast DDS, published on 5 May 2022.
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.
Weakness: CWE-406
Which versions are affected by CVE-2021-38425?
It affects 1 product.
Products include Eprosima Fast Dds.
How do I fix CVE-2021-38425?
Upgrade to a fixed version.
Is CVE-2021-38425 being exploited?
There is no known exploitation of CVE-2021-38425 in the wild and no public exploit code.
Other vulnerabilities in eProsima Fast DDS
- CVE-2025-67108 Security feature bypass in n/a
- CVE-2024-28231 Manipulated DATA Submessage causes a heap-buffer-overflow error
- CVE-2023-50716 Invalid DATA_FRAG Submessage causes a bad-free error
- CVE-2023-50257 Disconnect Vulnerability in RTPS Packets Used by SROS2
- CVE-2023-42459 Malformed DATA submessage leads to bad-free error in Fast-DDS
Sources
Also known as DEBIAN-CVE-2021-38425, GHSA-6x94-8g2r-qg72, UBUNTU-CVE-2021-38425.