Search/CVE-2021-38447
● CVE — High

CVE-2021-38447

OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition.

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CVSS v3.1
8.6 HIGH
EPSS
2.10%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
EPSS Trend
Aug 16, 2026 → Sep 4, 2026
▲ 0.05pp
2.05% → 2.10% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityLOW
IntegrityLOW
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Connections
2 relationships
Timeline
disclosure → media coverage
May 5, 2022
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024