Security Update for Microsoft Power BI Report Server (May 2020)

medium Nessus Plugin ID 136664


The remote host has an application installed that is missing a security update.


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.


Upgrade Power BI Report Server to version 1.6.7236.4246 or later.

See Also

Plugin Details

Severity: Medium

ID: 136664

File Name: microsoft_power_bi_rs_may_20.nasl

Version: 1.4

Type: local

Agent: windows

Family: Windows

Published: 5/15/2020

Updated: 6/3/2021

Supported Sensors: Nessus Agent

Risk Information

CVSS Score Source: CVE-2020-1173


Risk Factor: Medium

Score: 4.4


Risk Factor: Low

Base Score: 3.5

Temporal Score: 2.6

Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N

Temporal Vector: E:U/RL:OF/RC:C


Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:microsoft:power_bi_report_server

Required KB Items: installed_sw/Microsoft Power BI Report Server

Exploit Ease: No known exploits are available

Patch Publication Date: 9/30/2019

Vulnerability Publication Date: 5/12/2020

Reference Information

CVE: CVE-2020-1173

IAVB: 2020-B-0027-S