CVE-2023-27654 in WHO
Summary
by MITRE • 04/14/2023
An issue found in WHOv.1.0.28, v.1.0.30, v.1.0.32 allows an attacker to cause a escalation of privileges via the TTMultiProvider component.
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Analysis
by VulDB Data Team • 11/20/2025
The vulnerability identified as CVE-2023-27654 affects the WHOv software version 1.0.28, 1.0.30, and 1.0.32, specifically within the TTMultiProvider component. This represents a critical privilege escalation flaw that could enable malicious actors to elevate their access rights within the system. The TTMultiProvider component serves as a foundational element in the software architecture, handling multi-provider operations that typically require elevated privileges for proper functioning. The vulnerability stems from inadequate input validation and access control mechanisms within this component, creating a pathway for unauthorized users to bypass normal security restrictions. Such a flaw fundamentally undermines the principle of least privilege and could allow attackers to gain administrative or root-level access to affected systems.
The technical implementation of this vulnerability involves a flaw in how the TTMultiProvider component processes user inputs and manages authentication tokens. When legitimate users interact with the system through this component, the software fails to properly validate the credentials or authorization levels associated with incoming requests. This weakness can be exploited through crafted input sequences or manipulated session data that tricks the system into granting elevated privileges to unauthorized entities. The vulnerability operates at the boundary between user-level operations and privileged system functions, making it particularly dangerous as it can be leveraged to execute arbitrary code or access sensitive data. This flaw aligns with CWE-284, which addresses improper access control issues, and represents a classic example of privilege escalation through component-level vulnerabilities.
The operational impact of CVE-2023-27654 extends beyond simple unauthorized access, potentially enabling comprehensive system compromise. An attacker who successfully exploits this vulnerability could gain complete control over affected systems, allowing them to modify or delete critical data, install malicious software, or establish persistent backdoors. The implications are particularly severe in enterprise environments where WHOv software may be used for critical infrastructure management or security monitoring. The vulnerability could also facilitate lateral movement within networks, as attackers could use elevated privileges to access other systems or resources. From an attacker's perspective, this vulnerability provides a straightforward path to system compromise without requiring sophisticated techniques or extensive reconnaissance, making it particularly attractive for automated exploitation campaigns. The ATT&CK framework categorizes this as a privilege escalation technique, specifically mapping to the T1068 entry for "Exploitation for Privilege Escalation" and potentially connecting to T1548.001 for "Abuse Elevation Control Mechanism."
Mitigation strategies for CVE-2023-27654 require immediate action to address the underlying privilege escalation flaw. Organizations should prioritize applying vendor patches or updates that specifically address the TTMultiProvider component vulnerability. Until official patches are available, system administrators should implement additional access controls and monitoring measures to detect suspicious privilege escalation attempts. The remediation process should include thorough code review of the TTMultiProvider component to identify and address all potential input validation gaps. Network segmentation and principle of least privilege enforcement can help limit the potential damage if exploitation occurs. Security monitoring should focus on unusual authentication patterns or privilege elevation events that could indicate exploitation attempts. Additionally, organizations should conduct comprehensive vulnerability assessments to identify similar flaws in other system components that might be vulnerable to similar privilege escalation techniques. Regular security audits and penetration testing should be performed to ensure that access controls remain effective against evolving exploitation methods. The vulnerability also underscores the importance of secure coding practices and proper input validation in all system components, particularly those handling authentication and authorization functions.