External risk intelligence

Adobe ColdFusion Security Feature Bypass Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.1)

CVE-2025-61809

Adobe ColdFusion is a commercial application server platform typically deployed to host web applications and APIs. As a server-side runtime for web services, it is commonly exposed to the internet to facilitate public-facing web traffic, making it a likely candidate for public network reachability in standard enterprise deployments.

Adobe Coldfusion

202120232025

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A vulnerability has been identified in Adobe ColdFusion, a platform for developing and deploying web applications. This issue could allow unauthorized access to read and write data, bypassing existing security controls. It is important to confirm if our organization utilizes this technology to understand our potential exposure.

  • Bypasses security, enabling unauthorized data access.
  • Affects a common web application development platform.
  • Confirm relevance and exposure to this software.

Attack Path

How an attacker could exploit the issue

An attacker could exploit this vulnerability by sending specially crafted input to a vulnerable Adobe ColdFusion installation over the network. This improper input validation allows the attacker to bypass security controls, potentially gaining unauthorized read and write access to the system without any user interaction. The vulnerability resides in the core validation logic of ColdFusion, leading to a security feature bypass.

  • No user interaction needed.
  • Bypasses security measures.
  • Grants unauthorized data access.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could allow an unauthorized attacker to bypass security controls within Adobe ColdFusion, potentially leading to unauthorized read and write access to system or user data. The bypass does not require any user interaction and does not change the scope of access already present.

  • Unrestricted access to ColdFusion data.
  • Bypassing security features for unauthorized access.
  • Compromise of system integrity and data confidentiality.

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability in Adobe ColdFusion impacts applications hosted on this platform, potentially allowing unauthorized data access. Ownership likely falls to the application owners or the platform team responsible for managing ColdFusion instances. The initial, critical step is to discover all deployed ColdFusion servers, confirm their accessibility and business criticality, and then identify the accountable parties for remediation planning.

  • Identify all ColdFusion instances.
  • Verify external reachability and criticality.
  • Plan remediation with accountable owners.

Supplementary metadata

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

Frequently asked questions

What is Adobe ColdFusion?

Adobe ColdFusion is a commercial application server platform used by organizations to build, deploy, and manage dynamic web applications and APIs. It functions as a server-side runtime environment that processes requests and interacts with databases, making it a central component for hosting enterprise web services.

What does this vulnerability mean in plain English?

This issue, classified as CWE-20 (Improper Input Validation), means the software fails to correctly check the data it receives. By sending specially crafted input, an attacker can trick the system into bypassing security controls. This allows them to read or write data they are not authorized to access, effectively sidestepping the protections meant to keep the application secure.

How is this vulnerability triggered?

An attacker triggers this bug by sending malicious input to the ColdFusion server over the network. A key detail is that this does not require any user interaction, such as clicking a link or logging in. Because the flaw is in the core validation logic, it affects the server directly, and the impact remains confined to the application context without changing the system's overall security scope.

Is my organization at risk from CVE-2025-61809?

Halo Surface Signal indicates that Adobe ColdFusion is frequently deployed as a public-facing platform to host web traffic, making it a likely target for network-based attacks. Organizations should prioritize assessing any instances of ColdFusion that are reachable from the internet, as these represent the most accessible path for an attacker to leverage this security bypass.

How should I respond if we use ColdFusion?

Your first step is to perform an inventory to locate all deployed ColdFusion instances within your environment. Once identified, determine which servers are internet-facing and assess their business criticality. Engage the specific application owners or platform teams responsible for these servers to coordinate the necessary security updates and remediation planning.

References