QID 150626

Date Published: 2022-12-26

QID 150626: Citrix Application Delivery Controller (ADC) and Citrix Gateway Remote Code Execution (RCE) Vulnerability (CVE-2022-27518)

A critical unauthenticated remote code execution (RCE) vulnerability has been discovered in Citrix Gateway and Citrix ADC.

Affected Versions:
Citrix ADC and Citrix Gateway 13.0 before 13.0-58.32
Citrix ADC and Citrix Gateway 12.1 before 12.1-65.25

NOTE:
According to Citrix Security Bulletin - CTX474995, Citrix ADC or Citrix Gateway are only affected by this vulnerability when configured as a SAML SP or as a SAML IdP.

QID Detection Logic (Basic Authentication) :
This QID sends an authenticated HTTP GET request to "/nitro/v1/config/nsversion" endpoint and checks for vulnerable versions of Citrix ADC/Netscaler.

Successful exploitation could allow an unauthenticated remote attacker to perform arbitrary code execution on the appliance.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as Critical - 10 severity.

Solution

Customers are advised to refer Citrix Security Bulletin - CTX474995 for information pertaining to remediating this vulnerability.

Vendor References

CTX474995 - support.citrix.com/article/CTX474995/citrix-adc-and-citrix-gateway-security-bulletin-for-cve202227518

CVEs related to QID 150626

CVE-2022-27518 |

Software Advisories

Advisory ID	Software	Component	Link
CTX474995			support.citrix.com/article/CTX474995/citrix-adc-and-citrix-gateway-security-bulletin-for-cve202227518

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