CVE-2025-27667
Remediation/Mitigation Strategy for CVE-2025-27667
This document outlines the vulnerability, severity, known exploit, and recommended remediation and mitigation strategies for CVE-2025-27667.
1. Vulnerability Description:
CVE-2025-27667 is a vulnerability in Vasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 and Application 20.0.1923. It allows for Administrative User Email Enumeration (OVE-20230524-0011). This means an attacker can potentially determine valid administrative user email addresses through some unspecified method, likely by probing the system with various inputs and observing the responses.
2. Severity:
- CVSS Score: 9.8 (Critical)
- Impact: This vulnerability allows an attacker to enumerate valid administrator email addresses. This information can be used in subsequent attacks, such as:
- Phishing: Targeting identified administrators with highly crafted phishing emails to gain credentials.
- Password Guessing/Brute-Forcing: Using the email address as a username to attempt to guess or brute-force the administrator’s password.
- Social Engineering: Leveraging the knowledge of a valid administrator email to impersonate them or gain trust within the organization.
- Further Reconnaissance: Using the identified email addresses to gather more information about the organization and its employees.
3. Known Exploit:
While the specific exploit is not detailed in the provided information, the description indicates that it involves “Administrative User Email Enumeration”. This suggests an attacker can likely send requests to the Vasion Print system and, based on the response, determine if an email address is associated with an administrative account. The mechanism for this enumeration (e.g., API endpoint, error message analysis) is not specified.
4. Remediation Strategy:
The primary remediation step is to upgrade Vasion Print to a version after Virtual Appliance Host 22.0.843 and Application 20.0.1923. This upgrade likely contains a fix that addresses the email enumeration vulnerability.
Immediate Action:
- Upgrade Vasion Print: Prioritize upgrading the affected Vasion Print instances as soon as possible. Refer to the vendor’s (Vasion) documentation for specific upgrade instructions. This is the most important step.
- Review Vasion’s Security Advisories: Consult Vasion’s security advisories for CVE-2025-27667 to understand the precise fix and any additional recommendations.
Short-Term Actions (Until Upgrade is Completed):
- Monitor Network Traffic: Implement network monitoring rules to detect suspicious activity related to email address enumeration attempts. Look for unusual patterns of requests to the Vasion Print server.
- Rate Limiting (If Possible): If your firewall or other network security devices support rate limiting, implement a rate limit on requests to the Vasion Print server to slow down or block potential enumeration attempts. Be cautious not to impact legitimate user access.
- Web Application Firewall (WAF) Rules (If Applicable): If you have a WAF in front of the Vasion Print server, consider implementing custom WAF rules to detect and block suspicious requests that resemble enumeration attempts. This requires understanding the attack pattern.
Long-Term Actions:
- Regular Security Patching: Establish a process for regularly applying security patches and updates to all software systems, including Vasion Print.
- Vulnerability Scanning: Implement regular vulnerability scanning using tools that can detect CVE-2025-27667 and other vulnerabilities.
- Principle of Least Privilege: Review user account permissions and ensure that users have only the minimum necessary privileges. This helps to limit the impact of a compromised account.
- Multi-Factor Authentication (MFA): Enable MFA for all administrator accounts. This adds an extra layer of security, making it more difficult for attackers to gain access even if they have stolen credentials.
- Security Awareness Training: Educate users about phishing attacks and other social engineering tactics. This can help them avoid falling victim to attacks that leverage the enumerated email addresses.
5. Mitigation Strategy (If Remediation is Not Immediately Possible):
If an immediate upgrade is not possible due to compatibility issues, maintenance windows, or other constraints, the following mitigation steps should be implemented:
- Apply Short-Term Actions: As described in the Remediation Strategy, implement network traffic monitoring, rate limiting, and WAF rules to detect and block enumeration attempts.
- Strengthen Account Security: Enforce strong password policies and require frequent password changes.
- Monitor Logs: Actively monitor Vasion Print server logs for suspicious activity.
- Implement a compensating control: If possible, obscure the email addresses, modify API responses, implement a captcha, etc.
6. Validation:
After applying the remediation or mitigation steps, it is important to validate their effectiveness:
- Vulnerability Scan: Run a vulnerability scan to confirm that CVE-2025-27667 is no longer detected.
- Penetration Testing: Conduct penetration testing to simulate an attack and verify that the enumeration vulnerability has been addressed.
- Monitor Logs: Monitor Vasion Print server logs to ensure that no further enumeration attempts are observed.
7. Communication:
- Inform relevant stakeholders (IT staff, security team, management) about the vulnerability and the remediation/mitigation plan.
- Keep stakeholders updated on the progress of the remediation/mitigation efforts.
This remediation/mitigation strategy is based on the information available in the provided CVE description. It’s essential to consult Vasion’s official documentation and security advisories for the most accurate and up-to-date information. Regularly review and update this strategy as new information becomes available.
Assigner
- MITRE [email protected]
Date
- Published Date: 2025-03-05 00:00:00
- Updated Date: 2025-03-05 21:15:22