Vulnerability in the Siebel Apps - Marketing product of Oracle Siebel CRM (component: Marketing). Supported versions that are affected are 17.0-26.6. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel Apps - Marketing. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel Apps - Marketing accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel Apps - Marketing. CVSS 3.1 Base Score 8.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H).