#VU46382 Input validation error in Microsoft Dynamics 365 - CVE-2020-16862

Vulnerability identifier: #VU46382

Vulnerability risk: Medium

CVSSv4.0: 5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-16862

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Dynamics 365
Web applications / CRM systems

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to the server fails to properly sanitize web requests to an affected Dynamics server. A remote authenticated attacker can send specially crafted requests to the affected system and execute arbitrary code.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Microsoft Dynamics 365: 9.0

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16862

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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.