Home/CVE/Improper verification of the time certificate in Eclipse Cyclone DDS before v0.10.5 allows attackers to bypass certifica
CVE

CVE-2025-67109

Improper verification of the time certificate in Eclipse Cyclone DDS before v0.10.5 allows attackers to bypass certifica

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.

CRITICAL · CVSS 10 EPSS 0.0014
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-298Improper Validation of Certificate Expiration
▤

Affected Products & Versions

1
eclipse cyclone data distribution service< 0.10.5
▣

Scoring & Timeline

10
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Dec 2025 · 04:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://eclipse.comProduct
https://gist.github.com/lkloliver/669e15bc7e6194133e4ee1026ce157e6Third Party Advisory
https://github.com/eclipse-cyclonedds/cyclonedds/blob/master/src/ddsrt/src/time/posix/time.c#L28Product
https://github.com/eclipse-cyclonedds/cyclonedds/blob/master/src/security/builtin_plugins/authentication/src/auth_utils.c#L84Product
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