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CVE-2021-38443

Date: May 5, 2022

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.

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2021-38443
https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02
https://security-tracker.debian.org/tracker/CVE-2021-38443
https://projects.eclipse.org/projects/iot.cyclonedds
https://www.mend.io/vulnerability-database/CVE-2021-38443

Severity Score

Weakness Type (CWE)

Improper Handling of Syntactically Invalid Structure

CWE-228

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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