CVE-2019-1229

Dynamics On-Premise Elevation of Privilege Vulnerability

Description

An elevation of privilege vulnerability exists in Dynamics On-Premise v9. An attacker who successfully exploited the vulnerability could leverage a customizer privilege within Dynamics to gain control of the Web Role hosting the Dynamics installation. To exploit this vulnerability, an attacker needs to have credentials for a user that has permission to author customized business rules in Dynamics, and persist XAML script in a way that causes it to be interpreted as code. The update addresses the vulnerability by restricting XAML activities to a whitelisted set.

8.8

CVSS

Severity: High

CVSS 3.0 •

CVSS 2.0 •

EPSS 12.82% Top 10%

Vendor Advisory microsoft.com

Affected: Microsoft Microsoft Dynamics 365 (on-premises) version 9.0

References

Link	Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1229	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-1229?: CVE-2019-1229 has been scored as a high severity vulnerability.
How to fix CVE-2019-1229?: To fix CVE-2019-1229, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-1229 being actively exploited in the wild?: It is possible that CVE-2019-1229 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~13% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-1229?: CVE-2019-1229 affects Microsoft Microsoft Dynamics 365 (on-premises) version 9.0.

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