OCI OpenDDS Secure Amplification
Priority MEDIUM 47CWE-405Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02137 82nd percentileScored 2026-11-07
Fix Fixed OpenDDS (OCI): 3.18.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| micronaut-projects | OpenDDS | before 3.18.1 | 3.18.1 | Patch available | CNA |
- OpenDDS Vendormicronaut-projects Affected before 3.18.1 Fixed in 3.18.1 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:objectcomputing:opendds:*:*:*:*:*:*:*:* | before 3.18.1 | Vulnerable | micronaut-projects |
- cpe:2.3:a:objectcomputing:opendds:*:*:*:*:*:*:*:* Versions before 3.18.1 Vulnerable ·micronaut-projects
Remediation
- Fix · CNA OpenDDS (OCI) Fixed in 3.18.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
OCI OpenDDS 3.18.1
3 records Highest priority Priority MEDIUM 3 MEDIUM
Other records, highest priority first
- TI-2021-16046 OCI OpenDDS Secure Improper Handling of Length Parameter InconsistencyPriority MEDIUM 47
- TI-2021-16032 OCI OpenDDS Secure Network AmplificationPriority MEDIUM 42
Timeline
- 2026-10-02 Threatist record created from CVE-2021-38447
- 2026-10-03 Alias added: GHSA-w75x-f9jm-qxx4
References
More micronaut-projects Opendds vulnerabilities
- TI-2025-41133 An integer overflow in the RTPS protocol implementation of OpenDDS DDS before v3.33.0… CVSS 3.1HIGH 7.5
- TI-2023-19348 Malformed PID_PROPERTY_LIST parameter in DATA submessage remotely crashes OpenDDS CVSS 3.1HIGH 7.5
- TI-2024-20388 An issue was discovered in OpenDDS commit b1c534032bb62ad4ae32609778de6b8d6c823a66… CVSS 3.1MEDIUM 4.3
- TI-2021-16046 OCI OpenDDS Secure Improper Handling of Length Parameter Inconsistency CVSS 3.1CRITICAL 9.8
- TI-2021-16032 OCI OpenDDS Secure Network Amplification CVSS 3.1CRITICAL 9.1
- TI-2023-09730 Specially crafted RTPS message may cause an OpenDDS application to crash CVSS 3.1HIGH 7.5
Sources
- CVE-2021-38447 · CVE Program
- CVE-2021-38447 · NVD
- FIRST EPSS
- GHSA-w75x-f9jm-qxx4 · GitHub Advisory Database · CC BY 4.0
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