CVE-2021-38425

EUVD-2021-24877
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.
Network Amplification
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
icscertCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 24%
Affected Products (NVD)
VendorProductVersion
eprosimafast_dds
𝑥
< 2.4.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
fastdds
bookworm
2.9.1+ds-1+deb12u2
fixed
bookworm (security)
2.9.1+ds-1+deb12u2
fixed
bullseye
2.1.0+ds-9+deb11u1
fixed
bullseye (security)
2.1.0+ds-9+deb11u1
fixed
sid
3.0.1+ds-1
fixed
trixie
3.0.1+ds-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
dds
bionic
not-affected
focal
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
xenial
needs-triage
fastdds
impish
ignored
jammy
Fixed 2.5.0+ds-3ubuntu0.1~esm1
released
kinetic
ignored
lunar
not-affected
mantic
not-affected
noble
not-affected
Common Weakness Enumeration
References
https://github.com/eProsima/Fast-DDS
https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02
https://github.com/eProsima/Fast-DDS
https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02