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.
References (2)
Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://fluidattacks.com/advisories/porter/
Release Notes, Vendor Advisory x_refsource_misc
https://docs.cyberark.com/Product-Doc/OnlineHelp/Idaptive/Latest/en/Content/ReleaseNotes/ReleaseNotes-Latest.htm
Scores
CVSS v3
5.3
EPSS
0.0108
EPSS Percentile
60.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Details
CWE
CWE-330
Status
published
Products (1)
cyberark/identity
< 22.1
Published
Mar 03, 2022
Tracked Since
Feb 18, 2026