Description
Faulty authorization control in software WinPlus v24.11.27 by Informática del Este that allows another user to be impersonated simply by knowing their 'numerical ID', meaning that an attacker could compromise another user's account, thereby affecting the confidentiality, integrity, and availability of the data stored in the application.
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2025-197986
1. Vulnerability Assessment and Severity Evaluation
The vulnerability described in EUVD-2025-197986 pertains to a faulty authorization control mechanism in WinPlus v24.11.27 by Informática del Este. This flaw allows an attacker to impersonate another user by knowing their 'numerical ID'. The severity of this vulnerability is rated with a CVSS Base Score of 9.3, which is considered critical. The CVSS vector string 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 indicates the following:
- Attack Vector (AV): Network (N) - The vulnerability is exploitable over the network.
- Attack Complexity (AC): Low (L) - The attack requires minimal skill or resources.
- Authentication (AT): None (N) - No authentication is required to exploit the vulnerability.
- Privileges Required (PR): None (N) - No special privileges are needed.
- User Interaction (UI): None (N) - No user interaction is required.
- Confidentiality Impact (VC): High (H) - There is a significant impact on data confidentiality.
- Integrity Impact (VI): High (H) - There is a significant impact on data integrity.
- Availability Impact (VA): High (H) - There is a significant impact on data availability.
- Scope Change (SC): None (N) - The scope of the vulnerability does not change.
- Secondary Impact (SI): None (N) - There are no secondary impacts.
- Secondary Availability (SA): None (N) - There are no secondary availability impacts.
2. Potential Attack Vectors and Exploitation Methods
The primary attack vector involves network-based exploitation where an attacker can impersonate another user by knowing their numerical ID. Potential exploitation methods include:
- Brute Force Attacks: Attackers may attempt to guess numerical IDs through brute force techniques.
- Social Engineering: Attackers may use social engineering to obtain numerical IDs from unsuspecting users.
- Automated Scripts: Attackers could develop automated scripts to systematically test numerical IDs and gain unauthorized access.
3. Affected Systems and Software Versions
The vulnerability specifically affects WinPlus v24.11.27 by Informática del Este. All systems running this version of the software are at risk. It is crucial to identify and update all instances of this software to mitigate the risk.
4. Recommended Mitigation Strategies
To mitigate the risk associated with this vulnerability, the following strategies are recommended:
- Patch Management: Immediately apply any available patches or updates provided by Informática del Este.
- Access Controls: Implement additional layers of authentication and access controls to prevent unauthorized access.
- Monitoring and Logging: Enhance monitoring and logging to detect any suspicious activities related to user impersonation.
- User Education: Educate users about the risks of sharing their numerical IDs and the importance of keeping them confidential.
- Network Segmentation: Implement network segmentation to limit the scope of potential attacks.
5. Impact on European Cybersecurity Landscape
The vulnerability poses a significant risk to organizations using WinPlus v24.11.27, particularly those in sectors where data confidentiality, integrity, and availability are critical, such as finance, healthcare, and government. The European cybersecurity landscape could see an increase in data breaches and unauthorized access incidents if this vulnerability is not promptly addressed.
6. Technical Details for Security Professionals
For security professionals, the following technical details are pertinent:
- Detection: Implement intrusion detection systems (IDS) and intrusion prevention systems (IPS) to detect and block attempts to exploit this vulnerability.
- Incident Response: Develop an incident response plan specifically for this vulnerability, including steps for containment, eradication, and recovery.
- Code Review: Conduct a thorough code review of the authorization mechanisms in WinPlus to identify and rectify similar vulnerabilities.
- Penetration Testing: Perform penetration testing to validate the effectiveness of the implemented mitigation strategies.
- Compliance: Ensure compliance with relevant regulations and standards, such as GDPR, to protect user data and maintain trust.
Conclusion
The vulnerability in WinPlus v24.11.27 is critical and requires immediate attention. Organizations should prioritize patching and implementing robust security measures to protect against potential exploitation. The European cybersecurity community must collaborate to share information and best practices to mitigate the risks associated with this vulnerability effectively.