Remote code execution in Citrix ADC and Citrix Gateway

Published: 2022-12-13
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-27518
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
Citrix Netscaler ADC
Client/Desktop applications / Software for system administration

Citrix Access Gateway
Server applications / Remote management servers, RDP, SSH


Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Improper control of a resource through its lifetime

EUVDB-ID: #VU70192

Risk: Critical


CVE-ID: CVE-2022-27518

CWE-ID: CWE-664 - Improper control of a resource through its lifetime

Exploit availability: No


The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper access restrictions in systems configured as a SAML SP or a SAML IdP. A remote non-authenticated attacker can gain unauthorized access to the system.

Note, the vulnerability is being actively exploited in the wild.


Install updates from vendor's website.

Vulnerable software versions

Citrix Netscaler ADC: before 13.0-58.32

Citrix Access Gateway: before 13.0-58.32

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?