CVE-2020-1044
<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>
Published:Sep 11, 2020
Last Modified:Feb 23, 2026
EPS:Sep 11, 2020
EPSS Score:0.04445
CVSS Score:4.3
Affected Products
Vendor
Product
Action
Vendor
Microsoft
Product
Sql Server 2017 Reporting Services
Microsoft
Sql Server 2017 Reporting Services
Vendor
Microsoft
Product
Sql Server 2019 Reporting Services
Microsoft
Sql Server 2019 Reporting Services
Vendor
Microsoft
Product
Sql Server Reporting Services
Microsoft
Sql Server Reporting Services
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
