CVE-2025-61809
Summary
CVE-2025-61809 is a CRITICAL severity vulnerability affecting Adobe ColdFusion versions 2025.4, 2023.16, 2021.22 and earlier. This Improper Input Validation vulnerability could allow an attacker to bypass security measures and gain unauthorized read and write access to the system.
Technical Details
CVE-2025-61809 stems from a failure to properly validate user-supplied input within Adobe ColdFusion. This lack of validation allows an attacker to craft malicious input that bypasses security checks, leading to unauthorized access to sensitive data and system resources. The specific mechanism of the bypass is related to how ColdFusion handles certain data types or parameters, allowing an attacker to manipulate them in a way that circumvents intended security controls. This can involve exploiting weaknesses in data sanitization routines or leveraging unexpected behavior in the application's parsing logic. Successful exploitation grants the attacker the ability to read and write data, potentially leading to complete system compromise.
The vulnerability is particularly dangerous because it does not require user interaction, meaning an attacker can exploit it remotely without any action from a legitimate user. This significantly increases the risk of widespread exploitation.
Affected Products and Versions
The following Adobe ColdFusion versions are affected by CVE-2025-61809:
- Adobe ColdFusion 2025.4
- Adobe ColdFusion 2023.16
- Adobe ColdFusion 2021.22 and earlier
Impact Assessment
Successful exploitation of CVE-2025-61809 can have severe consequences, including:
- Unauthorized Data Access: An attacker can gain access to sensitive data stored within the ColdFusion application, potentially leading to data breaches and compliance violations.
- System Compromise: The ability to write data allows an attacker to modify system configurations, inject malicious code, and potentially gain complete control of the affected server.
- Denial of Service: Malicious input could be crafted to cause the ColdFusion application to crash or become unresponsive, leading to a denial of service for legitimate users.
- Privilege Escalation: An attacker might be able to escalate their privileges within the application or operating system.
Remediation
Immediate Actions
- Apply the Security Patch: Adobe has released security patches to address CVE-2025-61809. Immediately apply the appropriate patch for your version of ColdFusion.
- Monitor System Logs: Closely monitor system logs for any suspicious activity that may indicate an attempted or successful exploitation of this vulnerability.
- Review Access Controls: Ensure that access controls are properly configured to restrict access to sensitive data and system resources.
Long-term Solutions
- Input Validation: Implement robust input validation techniques to prevent malicious input from reaching critical parts of the application.
- Regular Security Audits: Conduct regular security audits and penetration testing to identify and address potential vulnerabilities.
- Keep Software Up-to-Date: Stay informed about security updates and patches for all software components and apply them promptly.
Detection & Scanning
Detecting CVE-2025-61809 requires a comprehensive approach, including vulnerability scanning and log analysis. Vulnerability scanners can identify vulnerable versions of Adobe ColdFusion. Log analysis can help detect suspicious activity that may indicate an attempted or successful exploitation.
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