CVEs-PoC/2020/CVE-2020-2734.md

### [CVE-2020-2734](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2734)
![](https://img.shields.io/static/v1?label=Product&message=Oracle%20Database&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%2012.1.0.2%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Easily%20exploitable%20vulnerability%20allows%20high%20privileged%20attacker%20having%20Execute%20on%20DBMS_SQLTUNE%20privilege%20with%20network%20access%20via%20Oracle%20Net%20to%20compromise%20RDBMS%2FOptimizer.%20%20Successful%20attacks%20require%20human%20interaction%20from%20a%20person%20other%20than%20the%20attacker.%20Successful%20attacks%20of%20this%20vulnerability%20can%20result%20in%20%20unauthorized%20read%20access%20to%20a%20subset%20of%20RDBMS%2FOptimizer%20accessible%20data.&color=brighgreen)

### Description

Vulnerability in the RDBMS/Optimizer component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having Execute on DBMS_SQLTUNE privilege with network access via Oracle Net to compromise RDBMS/Optimizer. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS/Optimizer accessible data. CVSS 3.0 Base Score 2.4 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N).

### POC

#### Reference
- https://www.oracle.com/security-alerts/cpuapr2020.html

#### Github
No PoCs found on GitHub currently.