CVE-2021-38443

Eclipse CycloneDDS Improper Handling of Syntactically Invalid Structure

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Published May 5, 2022 CVSS 3.1 · 6.6 Medium EPSS 2.1% KEV · Not listed

Description

Eclipse CycloneDDS versions prior to 0.8.0 improperly handle invalid structures, which may allow an attacker to write arbitrary values in the XML parser.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Eclipse

CycloneDDS

affected

Version	Status	Constraints
`unspecified`	affected	< 0.8.0

Configuration 1 [-]

cpe:2.3:a:eclipse:cyclonedds:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Solution

Eclipse recommends users apply the latest CycloneDDS patches. https://projects.eclipse.org/projects/iot.cyclonedds

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-24895	Eclipse CycloneDDS versions prior to 0.8.0 improperly handle invalid structures, which may allow an attacker to write arbitrary values in the XML parser.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 2.1% (2.128% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://projects.eclipse.org/projects/iot.cyclonedds
https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02

History

Apr 16, 2025 5:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Eclipse Cyclonedds

Weaknesses

CWE-228

Sources

CVE record Updated: Apr 16, 2025, 4:23 PM

Status: PUBLISHED
Assigner: icscert
Published: May 5, 2022, 3:16 PM
Updated: Apr 16, 2025, 4:23 PM
Reserved: Aug 10, 2021, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 4, 2024, 1:44 AM

Updated: Aug 4, 2024, 1:44 AM

NVD Updated: Jun 17, 2026, 4:02 AM

Status: Modified
Published: May 5, 2022, 5:15 PM
Modified: Jun 17, 2026, 4:02 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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