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CVE-2021-41372— Power BI Report Server Spoofing Vulnerability

Quick assessment

Affected
Microsoft Power BI Report Server version 1.11.8091.10468
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.

Microsoft Power BI Report Server是美国微软（Microsoft）公司的一个用于商业分析报告的管理、分享的服务端应用程序。 Microsoft Power BI Report Server 存在安全漏洞。以下产品和版本受到影响：Power BI Report Server

CVSS 7.6 · High EPSS 0.68% · P51

Affected Version Matrix 2

VendorProduct Version RangeStatus
Microsoft Power BI Report Server version 1.11.8091.10468 1.0.0.0< 1.11.8091.10468 affected
Microsoft Power BI Report Server version 1.12.7977.29537 1.0.0.0< 1.12.7977.29537 affected
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I. Basic Information for CVE-2021-41372

Vulnerability Information
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Vulnerability Title
Power BI Report Server Spoofing Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A Cross-Site Scripting (XSS) and Cross-Site Request Forgery (CSRF) vulnerability exists when Power BI Report Server Template file (pbix) containing HTML files is uploaded to the server and HTML files are accessed directly by the victim. Combining these 2 vulnerabilities together, an attacker is able to upload malicious Power BI templates files to the server using the victim's session and run scripts in the security context of the user and perform privilege escalation in case the victim has admin privileges when the victim access one of the HTML files present in the malicious Power BI template uploaded. The security update addresses the vulnerability by helping to ensure that Power BI Report Server properly sanitize file uploads.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Power BI Report Server 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Power BI Report Server是美国微软（Microsoft）公司的一个用于商业分析报告的管理、分享的服务端应用程序。 Microsoft Power BI Report Server 存在安全漏洞。以下产品和版本受到影响：Power BI Report Server
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
Microsoft Power BI Report Server version 1.11.8091.10468 1.0.0.0 ~ 1.11.8091.10468 -
Microsoft Power BI Report Server version 1.12.7977.29537 1.0.0.0 ~ 1.12.7977.29537 -

II. Public POCs for CVE-2021-41372

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III. Intelligence Information for CVE-2021-41372

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Vendor Advisories for CVE-2021-41372 (2)

Same Patch Batch · Microsoft · 2021-11-10 · 54 CVEs total

CVE-2021-26443 9.0 CRITICAL Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability
CVE-2021-38666 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2021-42321 8.8 HIGH Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-42316 8.8 HIGH Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
CVE-2021-42283 8.8 HIGH NTFS Elevation of Privilege Vulnerability
CVE-2021-42275 8.8 HIGH Microsoft COM for Windows Remote Code Execution Vulnerability
CVE-2021-42296 7.8 HIGH Microsoft Word Remote Code Execution Vulnerability
CVE-2021-43208 7.8 HIGH 3D Viewer Remote Code Execution Vulnerability
CVE-2021-42298 7.8 HIGH Microsoft Defender Remote Code Execution Vulnerability
CVE-2021-42292 7.8 HIGH Microsoft Excel Security Feature Bypass Vulnerability
CVE-2021-42286 7.8 HIGH Windows Core Shell SI Host Extension Framework for Composable Shell Elevation of Privilege
CVE-2021-42285 7.8 HIGH Windows Kernel Elevation of Privilege Vulnerability
CVE-2021-42276 7.8 HIGH Microsoft Windows Media Foundation Remote Code Execution Vulnerability
CVE-2021-41378 7.8 HIGH Windows NTFS Remote Code Execution Vulnerability
CVE-2021-41377 7.8 HIGH Windows Fast FAT File System Driver Elevation of Privilege Vulnerability
CVE-2021-41370 7.8 HIGH NTFS Elevation of Privilege Vulnerability
CVE-2021-41367 7.8 HIGH NTFS Elevation of Privilege Vulnerability
CVE-2021-41366 7.8 HIGH Credential Security Support Provider Protocol (CredSSP) Elevation of Privilege Vulnerabili
CVE-2021-40442 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2021-36957 7.8 HIGH Windows Desktop Bridge Elevation of Privilege Vulnerability

Showing top 20 of 54 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: Microsoft

V. Comments for CVE-2021-41372

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