Vulnerability in the Oracle Communications Billing and Revenue Management product of Oracle Communications Applications (component: Webservices Manager). Supported versions that are affected are 12.0.0.3 and 12.0.0.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Communications Billing and Revenue Management. While the vulnerability is in Oracle Communications Billing and Revenue Management, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle Communications Billing and Revenue Management. CVSS 3.1 Base Score 10.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).