Overview
CVE-2025-64655 is a high-severity vulnerability affecting Microsoft Dynamics OmniChannel SDK. This improper authorization flaw in Storage Containers allows an attacker with network access to elevate their privileges. Successfully exploiting this vulnerability could lead to unauthorized access to sensitive data, modification of system configurations, and potential compromise of the entire Dynamics OmniChannel environment.
This article provides a detailed overview of the vulnerability, its technical details, potential impact, and essential mitigation steps to protect your systems.
Technical Details
The vulnerability stems from a lack of proper authorization checks when accessing storage containers within the Dynamics OmniChannel SDK. An attacker could potentially craft malicious requests to bypass these checks and gain elevated privileges. Specific details about the vulnerable component are under responsible disclosure guidelines, but analysis suggests the issue resides within the SDK’s authentication and authorization module used for managing storage interactions.
Further research indicates that the vulnerability can be exploited over the network, making it accessible to attackers who aren’t necessarily present on the local machine.
CVSS Analysis
This vulnerability has been assigned a CVSS score of 8.8, indicating a HIGH severity. This score reflects the potential for significant impact and relatively low attack complexity.
- CVSS Score: 8.8
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- User Interaction: None
- Scope: Changed
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Possible Impact
The exploitation of CVE-2025-64655 can have severe consequences, including:
- Data Breach: Unauthorized access to sensitive customer data, financial records, and proprietary information.
- System Compromise: Full control over affected Dynamics OmniChannel instances, allowing attackers to manipulate configurations and install malicious software.
- Denial of Service: Disruption of OmniChannel services, leading to business downtime and loss of productivity.
- Reputational Damage: Loss of trust and credibility due to data breaches and security incidents.
Mitigation and Patch Steps
Microsoft has released a security update to address CVE-2025-64655. It is crucial to apply this update as soon as possible to protect your systems.
- Apply the Security Update: Download and install the latest security update for Dynamics OmniChannel SDK from the Microsoft Security Response Center.
- Verify Installation: After applying the update, verify the installation by checking the build number of the updated components.
- Monitor Systems: Continuously monitor your systems for suspicious activity and potential signs of compromise.
- Review Access Controls: Re-evaluate and strengthen access control policies to minimize the potential impact of future vulnerabilities.
- Segment Network: Restrict access to the Dynamics OmniChannel SDK by segmenting the network.
