ColdFusion, Experience Manager, Acrobat & Reader, DNG SDK, Creative Cloud Desktop
Adobe’s December 2025 security release addresses multiple critical vulnerabilities across enterprise and consumer-facing products. Several of the issues allow remote code execution, unauthorized access, or complete system compromise, making them high-priority for remediation.
The most severe flaws affect Adobe ColdFusion and Adobe Experience Manager (AEM), two platforms commonly exposed to the internet and frequently targeted by attackers. Additional vulnerabilities were patched in Adobe Acrobat and Reader, Adobe DNG SDK, and Adobe Creative Cloud Desktop Application, reducing risk to end users and enterprise workstations.
Adobe ColdFusion – Critical Vulnerabilities
CVE-2025-61808
Unrestricted File Upload Leading to Remote Code Execution
Severity: Critical
Exploitability: Yes (with administrative access)
Patch Priority: Immediate
Vulnerability Overview
This vulnerability exists due to improper validation of uploaded files within Adobe ColdFusion. The application fails to sufficiently restrict dangerous file types from being uploaded into directories that allow execution by the ColdFusion or Tomcat runtime.
As a result, attackers who gain access to an administrator account can upload executable files such as .cfm, .cfc, or .jsp, which are then processed as trusted server-side code.
How It Can Be Exploited
An attacker typically follows this sequence:
- Gain administrative access through phishing, credential reuse, brute force, or another ColdFusion vulnerability.
- Upload a malicious file (often a webshell) using ColdFusion’s file upload functionality.
- Access the file via a browser, triggering execution on the server.
- Maintain persistent access, execute commands, upload additional malware, or exfiltrate data.
Example Payload Behavior
While payloads vary, common malicious functionality includes:
- Executing OS commands
- Browsing or modifying files
- Dumping databases
- Installing backdoors or ransomware
Impact
For organizations, successful exploitation can result in:
- Full application and database compromise
- Theft of customer and employee data
- Service disruption or ransomware deployment
- Regulatory and legal consequences
For individuals or small teams:
- Loss of proprietary code
- Credential exposure
- Compromise of connected production systems
Are You Vulnerable?
You are vulnerable if:
- You run ColdFusion 2021, 2023, or 2025
- Your instance is not patched to the December 2025 update level
- Administrative interfaces are reachable or credentials are compromised
Remediation
- Apply Adobe’s December 2025 ColdFusion updates immediately
- Restrict upload directories from execution
- Limit administrative access to internal networks only
- Monitor logs for suspicious file uploads
CVE-2025-61809
Input Validation Bypass Leading to Unauthorized Access
Severity: Critical
Exploitability: Yes (unauthenticated)
Patch Priority: Immediate
Vulnerability Overview
CVE-2025-61809 is caused by improper input validation in ColdFusion request handling. Certain endpoints do not correctly validate or sanitize user-supplied input, allowing attackers to manipulate internal variables or bypass security controls.
Unlike CVE-2025-61808, no authentication is required, making this flaw particularly dangerous for internet-facing servers.
How It Can Be Exploited
Attackers can:
- Send specially crafted HTTP requests
- Inject unexpected parameters or serialized objects
- Bypass authentication or authorization checks
This vulnerability is often chained with file upload or deserialization flaws to gain full server control.
Impact
- Unauthorized access to administrative functionality
- Exposure of configuration files and credentials
- Data theft or manipulation
- Full system compromise when chained with other vulnerabilities
Are You Vulnerable?
You are vulnerable if:
- Your ColdFusion server is accessible over the network
- You are running an unpatched version
- CFIDE or API endpoints are exposed
Remediation
- Apply Adobe’s ColdFusion security updates
- Block or restrict CFIDE endpoints
- Deploy WAF rules for ColdFusion-specific attack patterns
- Monitor for abnormal request parameters
Adobe Experience Manager (AEM) – Critical Vulnerabilities
CVE-2025-64537
Critical AEM Vulnerability Allowing Remote Code Execution
Severity: Critical
Exploitability: Likely exploitable in enterprise environments
Patch Priority: Immediate
Vulnerability Overview
This vulnerability affects Adobe Experience Manager’s content processing or component handling logic. Improper input validation or deserialization handling allows attackers to execute arbitrary code within the AEM environment.
AEM systems are often deeply integrated with backend services, making compromise particularly severe.
Exploitation Scenario
An attacker may:
- Send crafted requests to vulnerable AEM endpoints
- Exploit improperly secured servlets or workflows
- Execute arbitrary code in the context of the AEM service account
Impact
- Full control of the AEM instance
- Exposure of published and unpublished content
- Compromise of connected systems and identity services
- Defacement of public-facing websites
Remediation
- Apply Adobe AEM patches immediately
- Restrict access to author instances
- Audit custom components and workflows
- Monitor logs for unusual servlet execution
CVE-2025-64539
Critical AEM Security Bypass / RCE Risk
Severity: Critical
Exploitability: Yes, depending on configuration
Patch Priority: Immediate
Vulnerability Overview
This issue involves a security control bypass in Adobe Experience Manager that can allow attackers to perform unauthorized actions or execute code under certain conditions.
Misconfigured or internet-facing AEM instances are at heightened risk.
Impact
- Unauthorized access to AEM author or publish nodes
- Content manipulation or data leakage
- Platform abuse as a staging point for further attacks
Remediation
- Patch AEM to the latest secure version
- Ensure author environments are never publicly exposed
- Validate permission models and access controls
Adobe Acrobat and Reader
Security Update Summary
Adobe patched multiple vulnerabilities in Acrobat and Reader that could allow:
- Arbitrary code execution
- Memory corruption
- Privilege escalation
Exploitation Vector
Most exploits require a user to open a malicious PDF file, often delivered via phishing emails.
Impact
- Malware execution on user systems
- Credential theft
- Lateral movement within corporate networks
Remediation
- Update Acrobat and Reader immediately
- Disable JavaScript in PDFs where possible
- Educate users on phishing awareness
Adobe DNG SDK
Security Update Summary
The DNG SDK vulnerabilities relate to improper handling of image metadata, which can result in memory corruption when processing malicious image files.
Impact
- Application crashes
- Potential code execution in image-processing workflows
Remediation
- Update the DNG SDK in all applications that bundle it
- Validate image sources before processing
Adobe Creative Cloud Desktop Application
Security Update Summary
Adobe addressed multiple issues in the Creative Cloud Desktop Application that could allow:
- Privilege escalation
- Unauthorized file access
- Abuse of local system permissions
Impact
- Compromise of user workstations
- Potential persistence mechanisms for malware
Remediation
- Ensure Creative Cloud Desktop auto-updates are enabled
- Apply enterprise endpoint security controls
Final Risk Assessment and Recommendations
- ColdFusion and AEM vulnerabilities are actively attractive to attackers
- Internet-facing systems should be treated as high-risk
- Patching should not be delayed
Immediate Actions:
- Identify all affected Adobe products in your environment
- Apply December 2025 security updates
- Restrict administrative interfaces
- Monitor logs and network traffic for exploitation attempts
- Conduct post-patch security validation
Failure to patch these vulnerabilities significantly increases the likelihood of data breaches, service disruption, and regulatory exposure.
