CVE-2021-38425
Published: 05 May 2022
Summary
CVE-2021-38425 is a high-severity Network Amplification (CWE-406) vulnerability in Eprosima Fast Dds. Its CVSS base score is 7.5 (High).
Operationally, ranked at the 25.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-24877
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Limits attacker success in sustaining network amplification DoS against the primary by providing a ready alternate processing capability.
Provides continuity when primary telecom is disrupted by insufficient control of network message volume or amplification.
Network-volume amplification against one channel can be bypassed via the pre-established alternate path.
Implements network message volume controls to block amplification DoS vectors.