Vulnerability in the Oracle Commerce Guided Search / Oracle Commerce Experience Manager component of Oracle Commerce (subcomponent: MDEX). Supported versions that are affected are 6.2.2, 6.3.0, 6.4.1.2, 6.5.0, 6.5.1 and 6.5.2. Easily "exploitable" vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Commerce Guided Search / Oracle Commerce Experience Manager. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Commerce Guided Search / Oracle Commerce Experience Manager. CVSS 3.0 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).