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. While the vulnerability is in Oracle Hospitality Guest Access, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Hospitality Guest Access accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Hospitality Guest Access. CVSS 3.0 Base Score 8.7 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H).