cve/2023/CVE-2023-21827.md

### [CVE-2023-21827](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21827)
![](https://img.shields.io/static/v1?label=Product&message=Database%20-%20Enterprise%20Edition&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%2019c%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Easily%20exploitable%20vulnerability%20allows%20low%20privileged%20attacker%20having%20Create%20Session%20privilege%20with%20network%20access%20via%20Oracle%20Net%20to%20compromise%20Oracle%20Database%20Data%20Redaction.%20%20Successful%20attacks%20of%20this%20vulnerability%20can%20result%20in%20%20unauthorized%20read%20access%20to%20a%20subset%20of%20Oracle%20Database%20Data%20Redaction%20accessible%20data.&color=brighgreen)

### Description

Vulnerability in the Oracle Database Data Redaction component of Oracle Database Server.  Supported versions that are affected are 19c and  21c. Easily exploitable vulnerability allows low privileged attacker having Create Session privilege with network access via Oracle Net to compromise Oracle Database Data Redaction.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of Oracle Database Data Redaction accessible data. CVSS 3.1 Base Score 4.3 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).

### POC

#### Reference
- https://www.oracle.com/security-alerts/cpujan2023.html
- https://www.oracle.com/security-alerts/cpujan2023.html

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