CVE catalog
CVE-2021-38425
fastdds: CVE-2021-38425
- Severity
- High · CVSS 7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 5.09% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | fastdds | sid | 3.3.0+ds-3 | fixed |
| Debian | fastdds | trixie | 3.1.2+ds-1 | fixed |
| Debian | fastdds | bookworm | 2.9.1+ds-1+deb12u2 | fixed |
| Debian | fastdds | bookworm-security | 2.9.1+ds-1+deb12u2 | fixed |
| Ubuntu | fastdds | pro | 2.1.0+ds-9 | vulnerable |
| Ubuntu | fastdds | pro | 2.4.1+ds-1 | vulnerable |
| Ubuntu | fastdds | pro | 2.5.0+ds-3 | vulnerable |
| Ubuntu | fastdds | pro | 2.5.0+ds-3ubuntu0.1~esm1 | fixed |
| Ubuntu | fastdds | pro | 2.1.0+ds-9 | vulnerable |
| Ubuntu | fastdds | pro | 2.4.1+ds-1 | vulnerable |
| Ubuntu | fastdds | pro | 2.5.0+ds-3 | vulnerable |
| Ubuntu | fastdds | pro | 2.5.0+ds-3ubuntu0.1~esm1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | fastdds | source | sid | 2.6.1+ds-1 | not yet assigned | Not reported | Not reported |
| Debian | fastdds | source | trixie | 2.6.1+ds-1 | not yet assigned | Not reported | Not reported |
| Debian | fastdds | source | bookworm | 2.6.1+ds-1 | not yet assigned | Not reported | Not reported |
| Ubuntu | fastdds | deb | pro | 2.5.0+ds-3ubuntu0.1~esm1 | Not reported | USN-6306-1 | Not reported |
| Ubuntu | fastdds | deb | pro | 2.5.0+ds-3ubuntu0.1~esm1 | Not reported | UBUNTU-CVE-2021-38425 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [fastdds-tools]Fixed
Source package: [fastdds]
Details (4)
2.9.1+ds-1+deb12u2· amd64 · bookwormFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · bookworm; dsa · fastdds · debian · 12
2.9.1+ds-1+deb12u2· arm64 · bookwormFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · bookworm; dsa · fastdds · debian · 12
2.9.1+ds-1+deb12u2· amd64 · bookworm-securityFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · bookworm; dsa · fastdds · debian · 12
2.9.1+ds-1+deb12u2· arm64 · bookworm-securityFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · bookworm; dsa · fastdds · debian · 12
- [libfastrtps2.9]Fixed
Source package: [fastdds]
Details (4)
2.9.1+ds-1+deb12u2· amd64 · bookwormFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · bookworm; dsa · fastdds · debian · 12
2.9.1+ds-1+deb12u2· arm64 · bookwormFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · bookworm; dsa · fastdds · debian · 12
2.9.1+ds-1+deb12u2· amd64 · bookworm-securityFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · bookworm; dsa · fastdds · debian · 12
2.9.1+ds-1+deb12u2· arm64 · bookworm-securityFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · bookworm; dsa · fastdds · debian · 12
- [libfastrtps-dev]Fixed
Source package: [fastdds]
Details (4)
2.9.1+ds-1+deb12u2· amd64 · bookwormFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · bookworm; dsa · fastdds · debian · 12
2.9.1+ds-1+deb12u2· arm64 · bookwormFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · bookworm; dsa · fastdds · debian · 12
2.9.1+ds-1+deb12u2· amd64 · bookworm-securityFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · bookworm; dsa · fastdds · debian · 12
2.9.1+ds-1+deb12u2· arm64 · bookworm-securityFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · bookworm; dsa · fastdds · debian · 12
- [libfastrtps-doc]Fixed
Source package: [fastdds]
Details (4)
2.9.1+ds-1+deb12u2· all · bookwormFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · bookworm; dsa · fastdds · debian · 12
2.9.1+ds-1+deb12u2· all · bookwormFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · bookworm; dsa · fastdds · debian · 12
2.9.1+ds-1+deb12u2· all · bookworm-securityFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · bookworm; dsa · fastdds · debian · 12
2.9.1+ds-1+deb12u2· all · bookworm-securityFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · bookworm; dsa · fastdds · debian · 12
[Debian 13 (Trixie)]
- [fastdds-tools]Fixed
Source package: [fastdds]
Details (2)
3.1.2+ds-1+b1· amd64 · trixieFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · 13
3.1.2+ds-1+b1· arm64 · trixieFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · 13
- [libfastdds3.1]Fixed
Source package: [fastdds]
Details (2)
3.1.2+ds-1+b1· amd64 · trixieFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · 13
3.1.2+ds-1+b1· arm64 · trixieFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · 13
- [libfastdds-dev]Fixed
Source package: [fastdds]
Details (2)
3.1.2+ds-1+b1· amd64 · trixieFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · 13
3.1.2+ds-1+b1· arm64 · trixieFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · 13
- [libfastdds-doc]Fixed
Source package: [fastdds]
Details (2)
3.1.2+ds-1· all · trixieFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · 13
3.1.2+ds-1· all · trixieFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · 13
- [libfastrtps-dev]Fixed
Source package: [fastdds]
Details (2)
3.1.2+ds-1· all · trixieFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · 13
3.1.2+ds-1· all · trixieFixed · Fixed:
2.6.1+ds-1dsa · fastdds · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-38425]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-38425]
- [https://osv.dev/vulnerability/USN-6306-1]
- [https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-315-02.json]
- [https://security-tracker.debian.org/tracker/CVE-2021-38425]
[CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]