Vulnerability identifier: #VU27828

Vulnerability risk: Medium

CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1173

CWE-ID: CWE-451

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Power BI Report Server
Server applications / Other server solutions

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to the way Microsoft Power BI Report Server validates the content-type of uploaded attachments. A remote authenticated attacker can upload a specially crafted payload, send it to the user and spoof page content.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Power BI Report Server: All versions

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1173

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.