Vulnerability in the Oracle Hospitality OPERA 5 Property Services component of Oracle Hospitality Applications (subcomponent: OPERA Printing and Login). Supported versions that are affected are 5.4.0.x, 5.4.1.x, 5.4.2.x, 5.4.3.x, 5.5.0.x and 5.5.1.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. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Hospitality OPERA 5 Property Services accessible data as well as unauthorized access to critical data or complete access to all Oracle Hospitality OPERA 5 Property Services accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Hospitality OPERA 5 Property Services. CVSS 3.0 Base Score 6.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L).