CVE-2018-2957: Vulnerability in the Oracle Hospitality OPERA 5 Property Services component of Oracle Hospitality Applicati...

Security readout for executives and security teams

This vulnerability could let an unauthenticated network attacker access sensitive data from Oracle Hospitality OPERA 5 Property Services 5.5.x over HTTP. The published impact is confidentiality loss, potentially including all data accessible to the service. The source bundle does not show active exploitation. Exposure is likely limited to organizations running Oracle Hospitality OPERA 5 Property Services version 5.5.x. Risk is highest where the Property Services component is reachable over HTTP from untrusted networks, partner networks, or insufficiently segmented hospitality environments. Treat this as high priority for hospitality environments using OPERA 5.5.x, especially if network exposure is broad. The business risk is unauthorized access to critical guest, property, or operational data, while the public bundle does not support an emergency claim of active exploitation. Mitigation focus: Inventory OPERA 5 Property Services instances and confirm whether version 5.5.x is present.; Review Oracle's July 2018 Critical Patch Update guidance for the applicable OPERA 5 fix path.; Restrict HTTP access to the Property Services component to trusted networks only..

Prepared

Jun 7, 2026, 13:02 UTC (UTC+00:00)

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