Vulnerability in the Oracle Communications Billing and Revenue Management product of Oracle Communications (component: BRM Server). Supported versions that are affected are 15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0 and 15.2.0.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Communications Billing and Revenue Management. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Communications Billing and Revenue Management accessible data as well as unauthorized access to critical data or complete access to all Oracle Communications Billing and Revenue Management accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).