CVE-2020-1044: SQL Server Reporting Services Security Feature Bypass Vulnerability
First published: Fri Sep 11 2020(Updated: )
<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>
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| =2017 | ||
| =2019 | ||
| Microsoft Sql Server Reporting Services | =2017 | |
| Microsoft Sql Server Reporting Services | =2019 |
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Frequently Asked Questions
What is CVE-2020-1044?
CVE-2020-1044 is a security feature bypass vulnerability in SQL Server Reporting Services (SSRS) that allows attackers to upload malicious attachments to reports.
What is the severity of CVE-2020-1044?
The severity of CVE-2020-1044 is medium, with a CVSS severity score of 6.5.
Which versions of SQL Server Reporting Services (SSRS) are affected by CVE-2020-1044?
SQL Server Reporting Services (SSRS) versions 2017 and 2019 are affected by CVE-2020-1044.
How does CVE-2020-1044 work?
CVE-2020-1044 allows attackers to bypass security features in SSRS by uploading malicious attachments to reports.
Is there a fix for CVE-2020-1044?
Yes, Microsoft has released a security update to address the vulnerability. It is recommended to install the latest update for SQL Server Reporting Services.
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