CVE-2025-67109

State: Published
Severity: 10.0 Critical
Published: Dec 23, 2025
Updated: Jul 5, 2026
Reserved: Dec 8, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	10.0 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-298 Improper Validation of Certificate Expiration

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://github.com/eclipse-cyclonedds/cyclonedds/blob/master/src/ddsrt/src/time/posix/time.c#L28
https://github.com/eclipse-cyclonedds/cyclonedds/blob/master/src/security/builtin_plugins/authentication/src/auth_utils.c#L84
https://gist.github.com/lkloliver/669e15bc7e6194133e4ee1026ce157e6

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.