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TI-2021-16046 Aliases CVE-2021-38445GHSA-3xm3-79jv-66p7

OCI OpenDDS Secure Improper Handling of Length Parameter Inconsistency

Priority MEDIUM 47CWE-130Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

OCI OpenDDS versions prior to 3.18.1 do not handle a length parameter consistent with the actual length of the associated data, which may allow an attacker to remotely execute arbitrary code.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0268 85th percentileScored 2026-11-07
Fix Fixed OpenDDS (OCI): 3.18.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
micronaut-projectsOpenDDSbefore 3.18.13.18.1Patch availableCNA
  • OpenDDS Vendormicronaut-projects Affected before 3.18.1 Fixed in 3.18.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:objectcomputing:opendds:*:*:*:*:*:*:*:*before 3.18.1Vulnerablemicronaut-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-2021-16047 OCI OpenDDS Secure AmplificationPriority MEDIUM 47
    • TI-2021-16032 OCI OpenDDS Secure Network AmplificationPriority MEDIUM 42

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-38445
  2. 2026-10-03 Alias added: GHSA-3xm3-79jv-66p7

References

  • 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 b1c5340… CVSS 3.1MEDIUM 4.3
  • TI-2021-16047 OCI OpenDDS Secure Amplification CVSS 3.1HIGH 8.6
  • 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
See all 7 →

Sources