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CVE-2025-67109

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Date: December 23, 2025

Improper verification of the time certificate in Eclipse Cyclone DDS before v0.10.5 allows attackers to bypass certificate checks and execute commands with System privileges.

Severity Score

Related Resources (6)

https://gist.github.com/lkloliver/669e15bc7e6194133e4ee1026ce157e6
https://nvd.nist.gov/vuln/detail/CVE-2025-67109
https://github.com/eclipse-cyclonedds/cyclonedds/blob/master/src/security/builtin_plugins/authentication/src/auth_utils.c#L84
https://github.com/eclipse-cyclonedds/cyclonedds/blob/master/src/ddsrt/src/time/posix/time.c#L28
http://eclipse.com
https://www.mend.io/vulnerability-database/CVE-2025-67109

Severity Score

Weakness Type (CWE)

Improper Validation of Certificate Expiration

CWE-298

CVSS v3.1

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

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