CVE-2025-8450 in FileCatalyst
Summary
by MITRE • 08/19/2025
Improper Access Control issue in the Workflow component of Fortra's FileCatalyst allows unauthenticated users to upload arbitrary files via the order forms page.
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Analysis
by VulDB Data Team • 09/27/2025
The vulnerability identified as CVE-2025-8450 represents a critical improper access control flaw within Fortra's FileCatalyst Workflow component that directly impacts the security posture of affected systems. This weakness resides in the order forms page functionality where the application fails to properly validate user authentication status before permitting file upload operations. The vulnerability stems from inadequate authorization checks that allow any remote attacker to bypass authentication mechanisms and execute unauthorized file upload activities without providing valid credentials or session tokens.
This access control failure creates a significant operational risk as it enables malicious actors to leverage the workflow component for arbitrary file uploads that could include malicious payloads such as web shells, malware, or other harmful content. The technical implementation appears to lack proper session validation and user authentication verification prior to file upload processing, allowing unauthenticated requests to proceed through the upload pipeline. The vulnerability is particularly concerning because it operates at the application layer where legitimate business processes are handled, making it difficult to distinguish between authorized and unauthorized upload attempts.
The operational impact of this vulnerability extends beyond simple unauthorized file uploads as it provides attackers with potential persistence mechanisms and lateral movement capabilities within compromised environments. Once an attacker successfully uploads malicious files, they can execute code, establish backdoors, or use the uploaded content as a foothold for further reconnaissance and exploitation activities. The affected Workflow component likely processes these uploads through standard file handling mechanisms that may not properly sanitize or validate file content, potentially enabling additional attack vectors such as cross-site scripting or server-side request forgery. This vulnerability aligns with CWE-285, which specifically addresses improper authorization issues in software systems, and represents a clear violation of the principle of least privilege that should govern all file upload operations.
Organizations utilizing Fortra's FileCatalyst must immediately implement mitigations including enforcing proper authentication checks, implementing robust file type validation, and restricting file upload capabilities to authorized users only. Network-level controls such as web application firewalls should be configured to monitor and block suspicious upload patterns, while application-level patches should address the root cause by implementing mandatory authentication verification before any file processing occurs. The remediation strategy should also include comprehensive logging of all file upload activities to enable security teams to detect and respond to unauthorized access attempts. This vulnerability demonstrates the critical importance of proper access control implementation and serves as a reminder of the potential damage that can occur when authentication mechanisms are bypassed in workflow and file handling components. Organizations should conduct immediate security assessments to identify similar access control weaknesses in their application stacks and ensure that all file upload functionalities include proper authorization validation to prevent unauthorized file operations that could compromise system integrity and data confidentiality.