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CVE-2022-26355— Citrix Federated Authentication Service (FAS)

Quick assessment

Affected
Citrix Federated Authentication Service (FAS)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Citrix Systems Citrix Virtual Apps and Desktops是美国思杰系统（Citrix Systems）公司的一款可为任何操作系统提供虚拟桌面和虚拟应用的虚拟软件。 Citrix Virtual Apps and Desktops存在安全漏洞，攻击者可利用该漏洞通过身份验证服务绕过访问限制，以读取敏感信息。

AI Predicted 3.1 Difficulty: Easy EPSS 0.17% · P7

Possible ATT&CK Techniques 1 AI

T1552.004 · Private Keys
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I. Basic Information for CVE-2022-26355

Vulnerability Information
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Vulnerability Title
Citrix Federated Authentication Service (FAS)
Source: CVE Program / CVE List V5
Vulnerability Description
Citrix Federated Authentication Service (FAS) 7.17 - 10.6 causes deployments that have been configured to store a registration authority certificate's private key in a Trusted Platform Module (TPM) to incorrectly store that key in the Microsoft Software Key Storage Provider (MSKSP). This issue only occurs if PowerShell was used when configuring FAS to store the registration authority certificate’s private key in the TPM. It does not occur if the TPM was not selected for use or if the FAS administration console was used for configuration.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
将资源暴露给错误范围
Source: CVE Program / CVE List V5
Vulnerability Title
Citrix Virtual Apps and Desktops 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Citrix Systems Citrix Virtual Apps and Desktops是美国思杰系统（Citrix Systems）公司的一款可为任何操作系统提供虚拟桌面和虚拟应用的虚拟软件。 Citrix Virtual Apps and Desktops存在安全漏洞，攻击者可利用该漏洞通过身份验证服务绕过访问限制，以读取敏感信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Citrix Federated Authentication Service (FAS) unspecified ~ 10.6 -

II. Public POCs for CVE-2022-26355

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III. Intelligence Information for CVE-2022-26355

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Other References for CVE-2022-26355 (1)

IV. Related Vulnerabilities

Same vendor: Citrix
Same weakness: CWE-668

V. Comments for CVE-2022-26355

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