CVE-2021-2337: 
Oracle Database Server vulnerability analysis and mitigation

Vulnerability CVE-2021-2337 affects the Oracle XML DB component of Oracle Database Server versions 12.1.0.2, 12.2.0.1, and 19c. This vulnerability was disclosed in July 2021 as part of Oracle's Critical Patch Update. It is classified as an easily exploitable vulnerability that allows high-privileged attackers with specific privileges to potentially compromise Oracle XML DB (Oracle CPU Jul2021).

The vulnerability requires the attacker to have 'Create Any Procedure' and 'Create Public Synonym' privileges with network access via Oracle Net to exploit. It has received a CVSS v3.1 Base Score of 7.2 (High) with the vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H, indicating network attack vector, low attack complexity, high privileges required, no user interaction needed, and high impacts on confidentiality, integrity, and availability (NVD).

Successful exploitation of this vulnerability can result in complete takeover of Oracle XML DB component. The high CVSS score indicates severe potential impacts on confidentiality, integrity, and availability of the affected component (Oracle CPU Jul2021).

The vulnerability is considered easily exploitable but requires high privileges - specifically 'Create Any Procedure' and 'Create Public Synonym' privileges. The attack requires network access via Oracle Net protocol (NVD).

Oracle has released security patches for this vulnerability as part of the July 2021 Critical Patch Update. Organizations running affected versions (12.1.0.2, 12.2.0.1, and 19c) should apply these patches as soon as possible. The patches are available through Oracle's standard support channels (Oracle CPU Jul2021).