cve/2023/CVE-2023-21890.md

### [CVE-2023-21890](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21890)
![](https://img.shields.io/static/v1?label=Product&message=Communications%20Converged%20Application%20Server&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%207.1.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Easily%20exploitable%20vulnerability%20allows%20unauthenticated%20attacker%20with%20network%20access%20via%20UDP%20to%20compromise%20Oracle%20Communications%20Converged%20Application%20Server.%20%20Successful%20attacks%20of%20this%20vulnerability%20can%20result%20in%20takeover%20of%20Oracle%20Communications%20Converged%20Application%20Server.&color=brighgreen)

### Description

Vulnerability in the Oracle Communications Converged Application Server product of Oracle Communications (component: Core).  Supported versions that are affected are 7.1.0 and  8.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via UDP to compromise Oracle Communications Converged Application Server.  Successful attacks of this vulnerability can result in takeover of Oracle Communications Converged Application Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

### POC

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

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