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CVE-2022-27518

Critical 9.8 Exploited in the wild (KEV)

Confirmed active exploitation — CISA KEV catalog

Name: Citrix Application Delivery Controller (ADC) and Gateway Authentication Bypass Vulnerability
Added to catalog: 13 December 2022
Remediation due date (US federal): 3 January 2023
Required action: Apply updates per vendor instructions.

Description

Unauthenticated remote arbitrary code execution

Metrics

CVSS 3.1: 9.8 (CRITICAL) Score source: NVD CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — exploit probability: 7% (percentile: 94) as of 2 November 2026
CWE: CWE-664

Affected products

citrix: application delivery controller firmware; citrix: application delivery controller; citrix: gateway firmware; citrix: gateway

References

https://support.citrix.com/article/CTX474995 Vendor Advisory
https://support.citrix.com/article/CTX474995 Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022… US Government Resource