cve/2022/CVE-2022-22700.md

### [CVE-2022-22700](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22700)
![](https://img.shields.io/static/v1?label=Product&message=CyberArk%20Identity&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=User%20enumeration&color=brighgreen)

### Description

CyberArk Identity versions up to and including 22.1 in the 'StartAuthentication' resource, exposes the response header 'X-CFY-TX-TM'. In certain configurations, that response header contains different, predictable value ranges which can be used to determine whether a user exists in the tenant.

### POC

#### Reference
- https://fluidattacks.com/advisories/porter/

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