CVE-2024-8181 in Flowise
Summary
by MITRE • 08/27/2024
An Authentication Bypass vulnerability exists in Flowise version 1.8.2. This could allow a remote, unauthenticated attacker to access API endpoints as an administrator and allow them to access restricted functionality.
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Analysis
by VulDB Data Team • 09/04/2024
The vulnerability identified as CVE-2024-8181 represents a critical authentication bypass flaw within Flowise version 1.8.2, a popular open-source chatbot builder and workflow automation platform. This weakness fundamentally compromises the application's security model by allowing unauthorized remote access to administrative functions without proper authentication credentials. The flaw exists within the platform's API endpoint protection mechanisms, creating a pathway for malicious actors to escalate their privileges and gain full administrative control over the system. Such a vulnerability is particularly dangerous in environments where Flowise is deployed as a backend service or integrated into larger enterprise workflows, as it could enable complete system compromise and data exfiltration.
The technical implementation of this authentication bypass stems from inadequate validation of API request parameters and session management within the application's authentication layer. Attackers can exploit this vulnerability by crafting specific API requests that circumvent normal authentication checks, effectively allowing them to impersonate administrators and access restricted administrative endpoints. This type of flaw typically manifests when the application fails to properly verify user credentials or when it relies on predictable or easily manipulable authentication tokens. The vulnerability may be related to improper input validation, weak session handling, or flawed access control logic that does not adequately enforce authorization boundaries between different user roles. According to CWE classification, this vulnerability aligns with CWE-287 which addresses improper authentication issues, and potentially CWE-306 which covers missing authentication in critical functions.
The operational impact of CVE-2024-8181 extends far beyond simple unauthorized access, as it provides attackers with complete administrative privileges over the Flowise instance. This level of access enables malicious actors to modify or delete chatbot workflows, access sensitive data processed through the platform, manipulate user configurations, and potentially use the compromised system as a launch point for further attacks within the network. The remote nature of the exploit means that attackers can leverage this vulnerability from anywhere on the internet without requiring physical access to the system or knowledge of valid credentials. Organizations using Flowise for processing sensitive information, such as customer support chatbots or internal communication systems, face significant risk of data breaches, service disruption, and potential regulatory compliance violations. The vulnerability also creates opportunities for attackers to establish persistent access through the administrative interface, making it particularly attractive for long-term infiltration strategies.
Mitigation strategies for CVE-2024-8181 should prioritize immediate patching of the Flowise application to version 1.8.3 or later, which contains the necessary security fixes for this authentication bypass vulnerability. Organizations should implement network-level restrictions to limit access to Flowise API endpoints, particularly by restricting access to trusted IP addresses or implementing proper firewall rules. Additionally, deploying API gateway solutions or reverse proxies with enhanced authentication and rate-limiting capabilities can provide additional layers of protection. Security monitoring should be enhanced to detect unusual API access patterns or unauthorized administrative activities. Organizations should also conduct thorough security assessments of their Flowise deployments, including reviewing access controls, session management, and authentication configurations. From an ATT&CK framework perspective, this vulnerability maps to techniques such as T1078 for valid accounts usage and T1566 for social engineering, as attackers can leverage the bypass to maintain persistence and escalate privileges within compromised environments. Regular security audits and vulnerability assessments should be implemented to identify similar authentication weaknesses in other applications and systems within the organization's attack surface.