CVE-2022-27518

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

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

Act

*SSVC

Descriptions

Unauthenticated remote arbitrary code execution

Ejecución remota de código arbitrario no autenticado

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.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Act

Exploitation

Active

Automatable

Yes

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2022-03-21 CVE Reserved
2022-12-13 CVE Published
2022-12-13 Exploited in Wild
2023-01-03 KEV Due Date
2024-06-21 First Exploit
2025-01-28 CVE Updated
2025-03-30 EPSS Updated

CWE

CWE-664: Improper Control of a Resource Through its Lifetime

CAPEC

CAPEC-253: Remote Code Inclusion

References (2)

URL	Tag	Source

URL	Date	SRC
https://github.com/dolby360/CVE-2022-27518_POC	2024-06-21

URL	Date	SRC

URL	Date	SRC
https://support.citrix.com/article/CTX474995	2024-06-28

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Citrix Search vendor "Citrix"	Application Delivery Controller Firmware Search vendor "Citrix" for product "Application Delivery Controller Firmware"	>= 12.1 < 12.1-55.291 Search vendor "Citrix" for product "Application Delivery Controller Firmware" and version " >= 12.1 < 12.1-55.291"	fips	Affected	in	Citrix Search vendor "Citrix"	Application Delivery Controller Search vendor "Citrix" for product "Application Delivery Controller"	-	-	Safe
Citrix Search vendor "Citrix"	Application Delivery Controller Firmware Search vendor "Citrix" for product "Application Delivery Controller Firmware"	>= 12.1 < 12.1-55.291 Search vendor "Citrix" for product "Application Delivery Controller Firmware" and version " >= 12.1 < 12.1-55.291"	ndcpp	Affected	in	Citrix Search vendor "Citrix"	Application Delivery Controller Search vendor "Citrix" for product "Application Delivery Controller"	-	-	Safe
Citrix Search vendor "Citrix"	Application Delivery Controller Firmware Search vendor "Citrix" for product "Application Delivery Controller Firmware"	>= 12.1 < 12.1-65.25 Search vendor "Citrix" for product "Application Delivery Controller Firmware" and version " >= 12.1 < 12.1-65.25"	-	Affected	in	Citrix Search vendor "Citrix"	Application Delivery Controller Search vendor "Citrix" for product "Application Delivery Controller"	-	-	Safe
Citrix Search vendor "Citrix"	Application Delivery Controller Firmware Search vendor "Citrix" for product "Application Delivery Controller Firmware"	>= 13.0 < 13.0-58.32 Search vendor "Citrix" for product "Application Delivery Controller Firmware" and version " >= 13.0 < 13.0-58.32"	-	Affected	in	Citrix Search vendor "Citrix"	Application Delivery Controller Search vendor "Citrix" for product "Application Delivery Controller"	-	-	Safe
Citrix Search vendor "Citrix"	Gateway Firmware Search vendor "Citrix" for product "Gateway Firmware"	>= 12.1 < 12.1-65.25 Search vendor "Citrix" for product "Gateway Firmware" and version " >= 12.1 < 12.1-65.25"	-	Affected	in	Citrix Search vendor "Citrix"	Gateway Search vendor "Citrix" for product "Gateway"	-	-	Safe
Citrix Search vendor "Citrix"	Gateway Firmware Search vendor "Citrix" for product "Gateway Firmware"	>= 13.0 < 13.0-58.32 Search vendor "Citrix" for product "Gateway Firmware" and version " >= 13.0 < 13.0-58.32"	-	Affected	in	Citrix Search vendor "Citrix"	Gateway Search vendor "Citrix" for product "Gateway"	-	-	Safe