CVE-2014-3834: ownCloud Server before 6.0.3 does not properly check permissions, which allows remote authenticated users t...

Security readout for executives and security teams

This flaw let a logged-in ownCloud user bypass permissions to view another user's contacts or rename files. It affects ownCloud Server before 6.0.3. The business risk is unauthorized data exposure and file integrity disruption inside collaboration environments, especially where many internal or external users have accounts. Exposure is limited to organizations still running ownCloud Server versions earlier than 6.0.3. Risk is most relevant where untrusted, contractor, partner, or broad internal accounts can authenticate to the service. Treat as a cleanup and exposure-reduction item, not an emergency absent evidence of active exploitation. Prioritize if legacy ownCloud remains internet-accessible or has many semi-trusted users. Mitigation focus: Upgrade ownCloud Server to 6.0.3 or later, if still affected.; Review ownCloud advisories OC-SA-2014-011 and OC-SA-2014-013.; Restrict ownCloud access to necessary users until remediation is verified..

Prepared

Jun 14, 2026, 14:16 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.