Vulnerability identifier: #VU21028

Vulnerability risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-1260

CWE-ID: CWE-384

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft SharePoint Foundation
Server applications / Application servers
Microsoft SharePoint Server
Server applications / Application servers

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to impersonate other users.

The vulnerability exists due to incorrect validation of user-supplied input. A remote attacker can send a specially crafted request to the SharePoint server and impersonate another user.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft SharePoint Server: 2010 Service Pack 2 - 2013

Microsoft SharePoint Server: 2016 - 2019

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1260

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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.