Vulnerability in the Oracle Hospitality Guest Access component of Oracle Hospitality Applications (subcomponent: Base). Supported versions that are affected are 4.2.0 and 4.2.1. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle Hospitality Guest Access. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Hospitality Guest Access, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Hospitality Guest Access accessible data as well as unauthorized update, insert or delete access to some of Oracle Hospitality Guest Access accessible data. CVSS 3.0 Base Score 6.9 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N).