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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | CyberArk Identity | 22.1 | — |