EUVD-2025-119990

Comprehensive Technical Analysis of EUVD-2025-119990

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2025-119990 pertains to an Authentication Abuse issue in the a+HRD software developed by aEnrich. This vulnerability allows unauthenticated remote attackers to send crafted packets to obtain administrator access tokens, which can then be used to access the system with elevated privileges.

Severity Evaluation:

• Base Score: 9.3 (Critical)
• Base Score Version: 4.0
• Base Score Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

The high base score of 9.3 indicates a critical vulnerability. The CVSS vector breakdown shows that the attack vector (AV:N) is network-based, the attack complexity (AC:L) is low, and no user interaction (UI:N) is required. The vulnerability has high impacts on confidentiality (VC:H), integrity (VI:H), and availability (VA:H).

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Network-Based Attacks: Given the AV:N rating, attackers can exploit this vulnerability over the network without needing physical access to the system.
• Crafted Packets: Attackers can send specially crafted packets to the a+HRD software to exploit the authentication mechanism.

Exploitation Methods:

• Token Theft: By sending crafted packets, attackers can obtain administrator access tokens.
• Privilege Escalation: Once the tokens are obtained, attackers can use them to gain elevated privileges within the system.

3. Affected Systems and Software Versions

Affected Systems:

• Product: a+HRD
• Vendor: aEnrich
• Versions: 0 ≤ 7.5

All versions of a+HRD from 0 to 7.5 are affected by this vulnerability. Organizations using these versions are at risk and should prioritize mitigation efforts.

4. Recommended Mitigation Strategies

Immediate Actions:

• Patch Management: Apply the latest patches and updates provided by aEnrich.
• Network Segmentation: Isolate affected systems from critical networks to limit potential damage.
• Access Controls: Implement strict access controls and monitor for unauthorized access attempts.

Long-Term Strategies:

• Regular Audits: Conduct regular security audits to identify and mitigate similar vulnerabilities.
• Intrusion Detection: Deploy intrusion detection systems (IDS) to monitor for suspicious network activity.
• User Training: Educate users on the importance of security best practices and the risks associated with unauthorized access.

5. Impact on European Cybersecurity Landscape

The critical nature of this vulnerability poses significant risks to organizations within the European Union, particularly those relying on a+HRD for their operations. The potential for unauthenticated remote attackers to gain elevated privileges can lead to data breaches, system compromises, and operational disruptions. This underscores the need for robust cybersecurity measures and continuous monitoring to protect against such threats.

6. Technical Details for Security Professionals

Technical Overview:

• Vulnerability Type: Authentication Abuse
• Exploitation Mechanism: Crafted packets sent to the a+HRD software to obtain administrator access tokens.
• Impact: Unauthorized access with elevated privileges, leading to potential data breaches and system compromises.

Detection and Response:

• Log Analysis: Monitor system logs for unusual authentication attempts and token generation activities.
• Anomaly Detection: Use anomaly detection tools to identify deviations from normal network traffic patterns.
• Incident Response: Develop and implement an incident response plan to quickly address any detected exploitation attempts.

References:

• TWCERT Advisory
• TWCERT English Advisory
• NVD Detail
• CHT Security News

Aliases:

• CVE-2025-12870

Assigner:

• twcert

EPSS:

• N/A

ENISA ID Product:

• ID: 08e44e91-a08a-3563-a13f-8612de6934eb
• Product: a+HRD
• Version: 0 ≤ 7.5

ENISA ID Vendor:

• ID: 4068b38e-49f8-3732-858e-39c0a84f3156
• Vendor: aEnrich

By addressing this vulnerability promptly and effectively, organizations can mitigate the risks associated with unauthorized access and ensure the security and integrity of their systems.