CVE-2020-1173

medium Microsoft
CVSS v3 Base Score
6.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N
EPSS Score
2.4%
Exploitation probability in 30 days
Top 17% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Confidentiality
None
Integrity
High
Availability
None
Published: May 21, 2020 (2300 days ago)
Last Modified: August 19, 2026
Vendor: Microsoft
Source: NVD

Description

A spoofing vulnerability exists in Microsoft Power BI Report Server in the way it validates the content-type of uploaded attachments. An authenticated attacker could exploit the vulnerability by uploading a specially crafted payload and sending it to the user. The attacker who successfully exploited this vulnerability could then perform actions and run scripts in the security context of the user. This security update addresses the vulnerability by ensuring Power BI Report Server properly validates content-type of the attachments when uploading and opening.

CWE

CWE-20

Affected Products

microsoft power bi report server

References

🔗 msrc.microsoft.com 🔗 portal.msrc.microsoft.com