Vulnerability identifier: #VU29801

Vulnerability risk: Low

CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-1393

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system
Visual Studio
Universal components / Libraries / Software for developers

Vendor: Microsoft

Description

The vulnerability allows a local user can escalate privileges on the target system.

The vulnerability exists due to insufficient validation of user-supplied input in the Windows Diagnostics Hub Standard Collector Service. A local user can run a specially crafted application to execute arbitrary code on the target system with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows: 10 - 10 2004

Windows Server: 2016 - 2019 2004

Visual Studio: 16.6.0 16.6.30114.105, 16.4.0 16.4.29519.181, 15.9, 16.0.0 16.0.28729.10

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1393

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.