CVE-2024-21888 in Connect Secure
Summary
by MITRE • 01/31/2024
A privilege escalation vulnerability in web component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) allows a user to elevate privileges to that of an administrator.
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Analysis
by VulDB Data Team • 06/04/2025
The vulnerability CVE-2024-21888 represents a critical privilege escalation flaw affecting Ivanti Connect Secure and Ivanti Policy Secure products across versions 9.x and 22.x. This issue resides within the web component of these security solutions, which are widely deployed for network access control and policy enforcement. The vulnerability enables authenticated users to escalate their privileges to administrator level, fundamentally compromising the security model of these systems. The flaw exploits a weakness in the authorization mechanism that governs user permissions and access controls within the web interface, allowing malicious or compromised users to gain elevated privileges without proper authentication. This represents a severe degradation of the security posture since the affected systems are designed to protect enterprise networks and control access to sensitive resources. The vulnerability impacts organizations that rely on these products for their security infrastructure, potentially exposing critical network assets to unauthorized administrative access.
The technical implementation of this privilege escalation vulnerability stems from insufficient input validation and improper access control checks within the web application layer. Attackers can leverage this flaw by crafting specific requests or manipulating web interface parameters that should normally be restricted to administrators only. The vulnerability likely involves a missing authorization check or a flawed privilege verification mechanism that allows regular users to bypass normal access controls and assume administrative roles. This type of vulnerability aligns with CWE-285, which addresses improper authorization issues in software systems, and may also relate to CWE-798, indicating the presence of hardcoded credentials or overly permissive access controls in the web component. The flaw typically manifests when legitimate users attempt to access administrative functions or when the system fails to properly validate user roles during critical operations. The web interface components responsible for handling user sessions and privilege management contain logic errors that permit privilege elevation without proper verification.
The operational impact of CVE-2024-21888 extends far beyond simple unauthorized access, as it fundamentally undermines the integrity of the security infrastructure. Once an attacker achieves administrative privileges, they can modify access policies, create new user accounts, disable security controls, and potentially exfiltrate sensitive data from the network. This vulnerability transforms any authenticated user into a potential threat actor with full administrative capabilities, making it particularly dangerous in enterprise environments where these products are deployed. The compromise of administrative access can lead to persistent backdoors, allowing attackers to maintain long-term access to the network while evading detection. Organizations may face significant compliance violations if these systems handle regulated data, as the privilege escalation could result in unauthorized access to sensitive information. The vulnerability also affects the principle of least privilege, which is fundamental to network security architectures, as it allows users to perform actions far beyond their intended roles. Attackers could potentially leverage this vulnerability to pivot to other systems within the network, as administrative access often provides broader network visibility and access to interconnected resources.
Organizations should implement immediate mitigations including applying the vendor-provided patches and updates for affected versions, implementing additional access controls, and monitoring for suspicious administrative activities. Security teams should conduct comprehensive assessments of their Ivanti Connect Secure and Policy Secure deployments to identify potentially compromised systems. Network segmentation and monitoring of administrative access patterns can help detect exploitation attempts. The vulnerability also highlights the importance of regular security testing and penetration testing of critical infrastructure components. Organizations should consider implementing multi-factor authentication for administrative access and establishing stricter audit logging for privilege-related activities. This vulnerability demonstrates the critical need for proper security testing of web applications and the importance of adhering to security standards such as those outlined in the OWASP Top Ten and NIST cybersecurity frameworks. The incident underscores the necessity of maintaining current security patches and implementing defense-in-depth strategies to protect critical infrastructure components from privilege escalation attacks. Organizations should also review their incident response procedures to ensure they can quickly identify and contain exploitation attempts involving such critical vulnerabilities.