Citrix Application Delivery Controller (ADC) and Gateway Authentication Bypass Vulnerability

Added to KEV
2022-12-13
Federal due date
2023-01-03
Vendor
Citrix
Product
Application Delivery Controller (ADC) and Gateway
EPSS
96.5th percentile (score 0.277, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2022-27518

CISA short description

Citrix Application Delivery Controller (ADC) and Gateway, when configured with SAML SP or IdP configuration, contain an authentication bypass vulnerability that allows an attacker to execute code as administrator.

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.