#VU47621 Improper access control in Dynamics 365 Commerce - CVE-2020-16943

Vulnerability identifier: #VU47621

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-16943

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Dynamics 365 Commerce
Web applications / E-Commerce systems

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote non-authenticated attacker can bypass implemented security restrictions and update data within the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Dynamics 365 Commerce: 10.0.8 - 10.0.507

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16943

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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