CVE-2020-16943 : Security Advisory and Response

Microsoft Dynamics 365 Commerce Elevation of Privilege Vulnerability was published on October 16, 2020. The vulnerability affects versions 10.0.12 to 10.0.16 of Dynamics 365 Commerce.

Understanding CVE-2020-16943

An elevation of privilege vulnerability in Microsoft Dynamics 365 Commerce allows an unauthenticated attacker to update data without proper authorization by sending a specially crafted request to an affected server.

What is CVE-2020-16943?

An elevation of privilege vulnerability in Microsoft Dynamics 365 Commerce
Exploitation requires sending a specially crafted request to an affected server
The security update corrects how authorization checks are performed

The Impact of CVE-2020-16943

Impact Type: Elevation of Privilege
Attack Vector: Adjacent Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: High
Availability: None
Exploit Code Maturity: Proof of Concept
Remediation Level: Official Fix
Report Confidence: Confirmed
CVSS Base Score: 6.5 (Medium)

Technical Details of CVE-2020-16943

The vulnerability affects the following:

Vulnerability Description

Allows unauthorized data updates in Microsoft Dynamics 365 Commerce

Affected Systems and Versions

Microsoft Dynamics 365 Commerce versions 10.0.12 to 10.0.16

Exploitation Mechanism

Attacker sends a specially crafted request to exploit the vulnerability

Mitigation and Prevention

To address CVE-2020-16943, consider the following:

Immediate Steps to Take

Apply the security update provided by Microsoft
Monitor for any unauthorized data modifications

Long-Term Security Practices

Implement strong authentication mechanisms
Regularly update and patch software

Patching and Updates

Microsoft has released a security update to address the vulnerability