CVE-2018-2956: Oracle Hospitality Opera Property Management

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Vulnerability in the Oracle Hospitality OPERA 5 Property Services component of Oracle Hospitality Applications (subcomponent: Integration). The supported version that is affected is 5.5.x. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Hospitality OPERA 5 Property Services executes to compromise Oracle Hospitality OPERA 5 Property Services. While the vulnerability is in Oracle Hospitality OPERA 5 Property Services, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle Hospitality OPERA 5 Property Services. CVSS 3.0 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H).

Affected products

• Oracle Hospitality Opera Property Management: version 5.5 only; version 5.5.1 only

Published 2018-07-18. Last modified 2026-06-17.