Citrix ADC and Citrix Gateway Security Bulletin for CVE-2022-27518
Applicable Products
- Citrix ADC
- Citrix Gateway
Description of Problem
A vulnerability has been discovered in Citrix Gateway and Citrix ADC, listed below, that, if exploited, could allow an unauthenticated remote attacker to perform arbitrary code execution on the appliance.
| CVE-ID | Description | CWE | Affected Products | Pre-conditions |
| CVE-2022-27518 | Unauthenticated remote arbitrary code execution | CWE-664: Improper Control of a Resource Through its Lifetime | Citrix Gateway, Citrix ADC | Citrix ADC or Citrix Gateway must be configured as a SAML SP or a SAML IdP |
The following supported versions of Citrix ADC and Citrix Gateway are affected by this vulnerability:
- Citrix ADC and Citrix Gateway 13.0 before 13.0-58.32
- Citrix ADC and Citrix Gateway 12.1 before 12.1-65.25
- Citrix ADC 12.1-FIPS before 12.1-55.291
- Citrix ADC 12.1-NDcPP before 12.1-55.291
Citrix ADC and Citrix Gateway version 13.1 is unaffected.
What Customers Should Do
Exploits of this issue on unmitigated appliances in the wild have been reported. Citrix strongly urges affected customers of Citrix ADC and Citrix Gateway to install the relevant updated versions of Citrix ADC or Citrix Gateway as soon as possible:
- Citrix ADC and Citrix Gateway 13.0-58.32 and later releases
- Citrix ADC and Citrix Gateway 12.1-65.25 and later releases of 12.1
- Citrix ADC 12.1-FIPS 12.1-55.291 and later releases of 12.1-FIPS
- Citrix ADC 12.1-NDcPP 12.1-55.291 and later releases of 12.1-NDcPP
Please note that Citrix ADC and Citrix Gateway versions prior to 12.1 are EOL and customers on those versions are recommended to upgrade to one of the supported versions.