Description
An authentication bypass vulnerability in Kentico Xperience allows authentication bypass via the Staging Sync Server component password handling for the server defined None type. Authentication bypass allows an attacker to control administrative objects.This issue affects Xperience through 13.0.178.
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2025-8009
1. Vulnerability Assessment and Severity Evaluation
The vulnerability EUVD-2025-8009, also known as CVE-2025-2747, is an authentication bypass issue in Kentico Xperience. This vulnerability allows an attacker to bypass authentication mechanisms via the Staging Sync Server component, specifically through improper password handling for the server defined as None type. The severity of this vulnerability is rated with a CVSS Base Score of 9.8, which is considered critical.
CVSS Vector Breakdown:
- AV:N (Network Vector): The vulnerability is exploitable over the network.
- AC:L (Low Complexity): The attack requires low skill or resources.
- PR:N (No Privileges Required): No privileges are needed to exploit the vulnerability.
- UI:N (No User Interaction): No user interaction is required.
- S:U (Unchanged Scope): The vulnerability does not change the security scope.
- C:H (High Confidentiality Impact): Complete loss of confidentiality.
- I:H (High Integrity Impact): Complete loss of integrity.
- A:H (High Availability Impact): Complete loss of availability.
2. Potential Attack Vectors and Exploitation Methods
Attack Vectors:
- Network-Based Attacks: Given the network vector (AV:N), attackers can exploit this vulnerability remotely over the internet.
- Unauthenticated Access: The low complexity (AC:L) and no privileges required (PR:N) indicate that attackers do not need any special access or privileges to exploit this vulnerability.
Exploitation Methods:
- Authentication Bypass: Attackers can bypass the authentication mechanism by exploiting the Staging Sync Server component's password handling for the server defined as None type.
- Administrative Control: Once authenticated, attackers can gain control over administrative objects, leading to full administrative access.
3. Affected Systems and Software Versions
The vulnerability affects Kentico Xperience versions up to and including 13.0.178. Organizations using these versions are at risk and should prioritize mitigation efforts.
4. Recommended Mitigation Strategies
Immediate Actions:
- Patch Management: Apply the latest hotfixes and updates provided by Kentico. Refer to the Kentico DevNet for the latest patches.
- Network Segmentation: Isolate the affected systems from the network to limit potential attack vectors.
- Access Controls: Implement strict access controls and monitor for any unauthorized access attempts.
Long-Term Strategies:
- Regular Security Audits: Conduct regular security audits and vulnerability assessments.
- Intrusion Detection Systems (IDS): Deploy IDS to detect and respond to any suspicious activities.
- User Education: Educate users on the importance of security best practices and the risks associated with unpatched systems.
5. Impact on European Cybersecurity Landscape
The critical nature of this vulnerability poses a significant risk to organizations using Kentico Xperience within the European Union. Given the high confidentiality, integrity, and availability impacts, successful exploitation could lead to data breaches, unauthorized access, and potential disruption of services. This underscores the need for robust cybersecurity measures and timely patch management practices across the EU.
6. Technical Details for Security Professionals
Vulnerability Details:
- Component Affected: Staging Sync Server component in Kentico Xperience.
- Vulnerable Functionality: Password handling for the server defined as None type.
- Exploitation Steps:
- Identify the vulnerable Kentico Xperience instance.
- Exploit the authentication bypass by manipulating the password handling mechanism.
- Gain administrative control over the system.
Detection and Response:
- Log Analysis: Monitor logs for any unauthorized access attempts or unusual activities related to the Staging Sync Server component.
- Incident Response: Have an incident response plan in place to quickly address any detected exploitation attempts.
- Threat Intelligence: Leverage threat intelligence feeds to stay informed about any active exploitation attempts in the wild.
References:
By addressing this vulnerability promptly and implementing robust security measures, organizations can mitigate the risks associated with EUVD-2025-8009 and enhance their overall cybersecurity posture.