VulnerabilityModified

CVE-2020-1173

A spoofing vulnerability exists in Microsoft Power BI Report Server in the way it validates the content-type of uploaded attachments.

MEDIUM 6.8EPSS 2.46%

Does this matter?

Lower severity and a low EPSS score (2.46%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1: 6.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N
EPSS: 2.46% probability · 84th percentile
CISA KEV: Not listed
Weakness: CWE-20
Affected: microsoft/power bi report server
Source: secure@microsoft.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.