Description
E3 Site Supervisor (firmware version < 2.31F01) has a default admin user "ONEDAY" with a daily generated password. An attacker can predictably generate the password for ONEDAY. The oneday user cannot be deleted or modified by any user.
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2025-28745
1. Vulnerability Assessment and Severity Evaluation
The vulnerability described in EUVD-2025-28745 pertains to the E3 Site Supervisor firmware versions prior to 2.31F01. The presence of a default admin user "ONEDAY" with a predictably generated daily password poses a significant security risk. The CVSS (Common Vulnerability Scoring System) base score of 9.3 indicates a critical severity level. The vector string CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:L/SA:L highlights the following:
- Attack Vector (AV:N): Network, meaning the vulnerability is exploitable remotely.
- Attack Complexity (AC:L): Low, indicating that the attack does not require specialized conditions.
- Authentication (AT:N): None, meaning no authentication is required to exploit the vulnerability.
- Privileges Required (PR:N): None, indicating that no privileges are needed to exploit the vulnerability.
- User Interaction (UI:N): None, meaning no user interaction is required.
- Confidentiality Impact (VC:H): High, indicating a significant breach of confidentiality.
- Integrity Impact (VI:H): High, indicating a significant breach of integrity.
- Availability Impact (VA:H): High, indicating a significant breach of availability.
- Scope Change (SC:N): No change in security scope.
- Scope Integrity (SI:L): Low, indicating limited impact on the integrity of the security scope.
- Scope Availability (SA:L): Low, indicating limited impact on the availability of the security scope.
2. Potential Attack Vectors and Exploitation Methods
Given the nature of the vulnerability, potential attack vectors include:
- Remote Exploitation: An attacker can remotely access the E3 Site Supervisor and predict the daily generated password for the "ONEDAY" user.
- Network Scanning: Attackers can scan networks for devices running vulnerable firmware versions and attempt to exploit the default admin user.
- Automated Scripts: Attackers can use automated scripts to generate the daily password and gain unauthorized access.
3. Affected Systems and Software Versions
The vulnerability affects E3 Site Supervisor firmware versions prior to 2.31F01. Specifically:
- Product: E3 Supervisory Control
- Vendor: Copeland LP
- Affected Versions: All versions less than 2.31F01
4. Recommended Mitigation Strategies
To mitigate the risk associated with this vulnerability, the following strategies are recommended:
- Firmware Update: Immediately update the E3 Site Supervisor firmware to version 2.31F01 or later.
- Network Segmentation: Implement network segmentation to isolate critical systems and reduce the attack surface.
- Access Controls: Enforce strict access controls and monitor for unauthorized access attempts.
- Password Management: Implement robust password management policies and avoid using default credentials.
- Regular Audits: Conduct regular security audits and vulnerability assessments to identify and address potential security gaps.
5. Impact on European Cybersecurity Landscape
The vulnerability poses a significant risk to the European cybersecurity landscape, particularly in sectors that rely on supervisory control systems, such as industrial control systems (ICS), critical infrastructure, and manufacturing. Unauthorized access to these systems can lead to data breaches, operational disruptions, and potential safety risks. The high CVSS score underscores the urgency for organizations to address this vulnerability promptly.
6. Technical Details for Security Professionals
For security professionals, the following technical details are pertinent:
- Vulnerability Identification: The vulnerability is identified by EUVD-2025-28745 and CVE-2025-6519.
- Password Generation Algorithm: The daily generated password for the "ONEDAY" user follows a predictable pattern, which can be reverse-engineered by attackers.
- Detection and Monitoring: Implement intrusion detection systems (IDS) and intrusion prevention systems (IPS) to monitor for suspicious activities related to the "ONEDAY" user.
- Incident Response: Develop an incident response plan that includes steps for identifying, containing, and remediating unauthorized access attempts.
- Patch Management: Ensure that a robust patch management process is in place to apply firmware updates as soon as they are released.
Conclusion
The vulnerability described in EUVD-2025-28745 is critical and requires immediate attention from organizations using the affected E3 Site Supervisor firmware. By implementing the recommended mitigation strategies and maintaining vigilant security practices, organizations can significantly reduce the risk of exploitation and protect their critical systems from unauthorized access.