CVE-2021-22920
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I. Basic Information for CVE-2021-22920
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (formerly known as NetScaler Gateway), and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO. These vulnerabilities, if exploited, could lead to a phishing attack through a SAML authentication hijack to steal a valid user session.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Citrix Application Delivery Controller安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Citrix Systems Citrix ADC and NetScaler Gateway是美国思杰系统（Citrix Systems）公司的一款应用交付控制器。 Citrix ADC and NetScaler Gateway 存在安全漏洞，攻击者可能会通过SAML身份验证劫持来窃取有效的用户会话，从而导致网络钓鱼攻击。
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 ADC, Citrix Gateway | Citrix ADC and Citrix Gateway 13.0-82.45 and later releases of 13.0 | - |
II. Public POCs for CVE-2021-22920
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://support.citrix.com/article/CTX319135x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-22920
Same Patch Batch · n/a · 2021-08-05 · 54 CVEs total
| CVE-2021-22919 | Citrix ADC and NetScaler Gateway安全漏洞 | |
| CVE-2021-3655 | Linux kernel 输入验证错误漏洞 | |
| CVE-2021-35325 | TotoLink A720R 缓冲区错误漏洞 | |
| CVE-2021-20592 | Mitsubishi Electric GOT2000 安全漏洞 | |
| CVE-2021-22517 | Micro Focus Data Protector 安全漏洞 | |
| CVE-2021-26586 | HPE Edgeline Infrastructure Management 安全漏洞 | |
| CVE-2021-3642 | Red Hat Wildfly Elytron 安全漏洞 | |
| CVE-2021-1630 | MuleSoft Mule 代码问题漏洞 | |
| CVE-2021-3566 | FFmpeg 信息泄露漏洞 | |
| CVE-2021-22924 | libcurl 资源管理错误漏洞 | |
| CVE-2021-37156 | Redmine 代码问题漏洞 | |
| CVE-2021-22927 | Citrix Application Delivery Controller授权问题漏洞 | |
| CVE-2021-22928 | Citrix Systems Citrix Virtual Apps and Desktops 安全漏洞 | |
| CVE-2021-21893 | Foxit PDF Reader和Foxit PDF Editor 资源管理错误漏洞 | |
| CVE-2021-21831 | Foxit PDF Reader和Foxit PDF Editor 资源管理错误漏洞 | |
| CVE-2021-21870 | Foxit PDF Reader和Foxit PDF Editor 资源管理错误漏洞 | |
| CVE-2021-21785 | IOBit Advanced SystemCare 安全漏洞 | |
| CVE-2021-21792 | IOBit Advanced SystemCare 安全漏洞 | |
| CVE-2021-21791 | IOBit Advanced SystemCare 安全漏洞 | |
| CVE-2021-21790 | IOBit Advanced SystemCare 安全漏洞 |
Showing top 20 of 54 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Citrix ADC, Citrix Gateway
- CVE-2021-22955
Citrix Systems Application Delivery Management 资源管理错误漏洞 - CVE-2021-22927
Citrix Application Delivery Controller授权问题漏洞 - CVE-2020-8300
Citrix Systems Citrix Application Delivery Controller 安全漏洞 - CVE-2020-8245
Citrix Systems 多款产品跨站脚本漏洞 - CVE-2020-8197
Citrix Systems Citrix Application Delivery Controller和Gatewa
Same vendor: n/a
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Open5GS SMF OpenAPI_list_create denial of service
Same weakness: CWE-284
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Dotouch XproUPF access control - CVE-2026-42569
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Avo: Broken Access Control: Unauthorized Execution of Arbitr - CVE-2026-41487
Langfuse: Improper role-based-access control in Langfuse LLM - CVE-2026-42278
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V. Comments for CVE-2021-22920
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