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Oracle Hospitality OPERA 5 Property Services up to 5.5.1.x OPERA Business Events privilege escalation

A vulnerability has been found in Oracle Hospitality OPERA 5 Property Services up to 5.5.1.x (Hospitality Software) and classified as critical. Affected by this vulnerability is an unknown function of the component OPERA Business Events. Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.