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CVE-2020-1044— SQL Server Reporting Services Security Feature Bypass Vulnerability

Quick assessment

Affected
Microsoft SQL Server 2017 Reporting Services
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 Windows是美国微软（Microsoft）公司的一套个人设备使用的操作系统。 Microsoft Windows SQL Server Reporting Services (SSRS)中存在安全漏洞，该漏洞允许攻击者向受影响的SSRS服务器发送经过特殊设计的请求，从而上传管理员不允许的文件类型。以下产品及版本受到影响： SQL Server 2017 Reporting Services版本， SQL Server 2019 Reporting Services版本。

CVSS 4.3 · Medium EPSS 1.94% · P79

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-1044

Vulnerability Information
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Vulnerability Title
SQL Server Reporting Services Security Feature Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
<p>A security feature bypass vulnerability exists in SQL Server Reporting Services (SSRS) when the server improperly validates attachments uploaded to reports. An attacker who successfully exploited this vulnerability could upload file types that were disallowed by an administrator.</p> <p>To exploit the vulnerability, an authenticated attacker would need to send a specially crafted request to an affected SSRS server.</p> <p>The update addresses the vulnerability by modifying how SSRS validates attachment uploads.</p>
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows SQL Server Reporting Services (SSRS) 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows是美国微软（Microsoft）公司的一套个人设备使用的操作系统。 Microsoft Windows SQL Server Reporting Services (SSRS)中存在安全漏洞，该漏洞允许攻击者向受影响的SSRS服务器发送经过特殊设计的请求，从而上传管理员不允许的文件类型。以下产品及版本受到影响： SQL Server 2017 Reporting Services版本， SQL Server 2019 Reporting Services版本。
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 SQL Server 2017 Reporting Services 14.0.0 ~ publication cpe:2.3:a:microsoft:sql_server_2017_reporting_services:-:*:*:*:*:*:*:*
Microsoft SQL Server 2019 Reporting Services 15.0.0 ~ publication cpe:2.3:a:microsoft:sql_server_2019_reporting_services:-:*:*:*:*:*:*:*

II. Public POCs for CVE-2020-1044

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III. Intelligence Information for CVE-2020-1044

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Vendor Advisories for CVE-2020-1044 (1)

Same Patch Batch · Microsoft · 2020-09-11 · 129 CVEs total

CVE-2020-1595 9.9 CRITICAL Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-1210 9.9 CRITICAL Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-1523 8.9 HIGH Microsoft SharePoint Server Tampering Vulnerability
CVE-2020-0718 8.8 HIGH Active Directory Remote Code Execution Vulnerability
CVE-2020-0761 8.8 HIGH Active Directory Remote Code Execution Vulnerability
CVE-2020-1129 8.8 HIGH Microsoft Windows Codecs Library Remote Code Execution Vulnerability
CVE-2020-1012 8.8 HIGH WinINet API Elevation of Privilege Vulnerability
CVE-2020-0922 8.8 HIGH Microsoft COM for Windows Remote Code Execution Vulnerability
CVE-2020-1453 8.6 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-1200 8.6 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-1452 8.6 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-1460 8.6 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2020-1576 8.5 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-16875 8.4 HIGH Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2020-1285 8.4 HIGH GDI+ Remote Code Execution Vulnerability
CVE-2020-1507 7.9 HIGH Microsoft COM for Windows Elevation of Privilege Vulnerability
CVE-2020-1039 7.8 HIGH Jet Database Engine Remote Code Execution Vulnerability
CVE-2020-1074 7.8 HIGH Jet Database Engine Remote Code Execution Vulnerability
CVE-2020-1115 7.8 HIGH Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2020-1053 7.8 HIGH DirectX Elevation of Privilege Vulnerability

Showing top 20 of 129 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: SQL Server 2017 Reporting Services
Same vendor: Microsoft

V. Comments for CVE-2020-1044

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