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CVE-2021-33712

Quick assessment

Affected
Siemens Mendix SAML Module
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.

Siemens Mendix是德国西门子（Siemens）公司的一套低代码应用程序开发平台。该平台提供应用程序开发、测试、部署和迭代等功能。 Mendix SAML模块 V2.1.2之前版本存在安全漏洞，该漏洞源于SAML模块的配置没有正确检查标识提供者施加的各种限制和验证。经过身份验证的远程攻击者可利用该漏洞升级权限。

AI Predicted 8.1 Difficulty: Moderate EPSS 0.60% · P47

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-33712

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in Mendix SAML Module (All versions < V2.1.2). The configuration of the SAML module does not properly check various restrictions and validations imposed by an identity provider. This could allow a remote authenticated attacker to escalate privileges.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对数据真实性的验证不充分
Source: CVE Program / CVE List V5
Vulnerability Title
Mendix SAML 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens Mendix是德国西门子（Siemens）公司的一套低代码应用程序开发平台。该平台提供应用程序开发、测试、部署和迭代等功能。 Mendix SAML模块 V2.1.2之前版本存在安全漏洞，该漏洞源于SAML模块的配置没有正确检查标识提供者施加的各种限制和验证。经过身份验证的远程攻击者可利用该漏洞升级权限。
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
Siemens Mendix SAML Module All versions < V2.1.2 -

II. Public POCs for CVE-2021-33712

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III. Intelligence Information for CVE-2021-33712

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Vendor Advisories for CVE-2021-33712 (1)

Same Patch Batch · Siemens · 2021-06-08 · 5 CVEs total

CVE-2021-27387 Simcenter Femap 缓冲区错误漏洞
CVE-2021-27390 Siemens Jt2go 缓冲区错误漏洞
CVE-2021-27399 Simcenter Femap 缓冲区错误漏洞
CVE-2021-31340 Siemens SIMATIC 多款产品资源管理错误漏洞

IV. Related Vulnerabilities

Same vendor: Siemens
Same weakness: CWE-345

V. Comments for CVE-2021-33712

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