CVE-2024-3825 in BlazeMeter Plugin
Summary
by MITRE • 04/17/2024
Versions of the BlazeMeter Jenkins plugin prior to 4.22 contain a flaw which results in credential enumeration
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Analysis
by VulDB Data Team • 04/05/2025
The vulnerability identified as CVE-2024-3825 affects the BlazeMeter Jenkins plugin, specifically versions prior to 4.22, and represents a significant security weakness that enables credential enumeration attacks. This flaw allows adversaries to systematically discover valid credentials through carefully crafted requests that reveal whether specific username-password combinations are valid within the affected system. The issue stems from insufficient input validation and improper error handling mechanisms within the plugin's authentication processing logic, creating a pathway for attackers to exploit the system's response patterns to infer valid credentials without direct access to the underlying authentication store.
The technical implementation of this vulnerability manifests through the plugin's failure to properly normalize error responses during authentication attempts. When users submit login credentials, the system provides distinguishable error messages based on whether the username exists, whether the password is correct, or whether both credentials are invalid. This differential response behavior creates a predictable pattern that attackers can leverage to perform automated credential guessing attacks. The flaw aligns with CWE-200, which addresses information exposure through improper error handling, and represents a classic example of how insufficient security controls in authentication mechanisms can lead to credential compromise. From an operational perspective, this vulnerability directly impacts the principle of least privilege and can be categorized under ATT&CK technique T1110, specifically credential access through brute force or password guessing attacks.
The operational impact of CVE-2024-3825 extends beyond simple credential theft to potentially enable broader system compromise and unauthorized access to sensitive data. Attackers can utilize automated tools to systematically test credential combinations against the vulnerable Jenkins instance, potentially gaining access to continuous integration pipelines, source code repositories, and other critical infrastructure components. The vulnerability particularly affects organizations that rely on Jenkins for automated build and deployment processes, as compromised credentials could lead to unauthorized code deployments, data exfiltration, or system manipulation. Organizations using the BlazeMeter plugin in production environments face increased risk of supply chain attacks if their Jenkins instances are exposed to external networks. The vulnerability also impacts compliance with security standards such as ISO 27001 and NIST SP 800-53, which require robust authentication mechanisms and protection against credential enumeration attacks.
Mitigation strategies for CVE-2024-3825 primarily focus on upgrading to the patched version 4.22 or later of the BlazeMeter Jenkins plugin, which implements proper error handling and normalized response patterns to prevent credential enumeration. Organizations should also implement additional security controls including rate limiting on authentication attempts, multi-factor authentication for Jenkins instances, and network segmentation to limit access to Jenkins servers. Security teams should conduct regular vulnerability assessments of their Jenkins environments and ensure that all plugins are kept current with security patches. The implementation of centralized authentication systems with proper session management and logging capabilities can further reduce the risk of credential compromise. Additionally, organizations should monitor for suspicious authentication patterns and implement intrusion detection systems that can identify automated credential guessing attempts. Regular security training for developers and administrators regarding secure coding practices and the importance of proper error handling in authentication systems remains essential for maintaining overall security posture.