Siebel Apps - Marketing: data tampering via Email Marketing

Vulnerability in the Siebel Apps - Marketing product of Oracle Siebel CRM (component: Email Marketing). Supported versions that are affected are 17.0-26.6. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Siebel Apps - Marketing executes to compromise Siebel Apps - Marketing. While the vulnerability is in Siebel Apps - Marketing, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel Apps - Marketing accessible data as well as unauthorized access to critical data or complete access to all Siebel Apps - Marketing accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N).