CVE-2023-46319 in Bastion
Summary
by MITRE • 10/25/2023
WALLIX Bastion 9.x before 9.0.9 and 10.x before 10.0.5 allows unauthenticated access to sensitive information by bypassing access control on a network access administration web interface.
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Analysis
by VulDB Data Team • 02/14/2026
The vulnerability identified as CVE-2023-46319 affects WALLIX Bastion versions 9.x prior to 9.0.9 and 10.x prior to 10.0.5, representing a critical security flaw that undermines the fundamental access control mechanisms of the network access administration web interface. This issue allows attackers to gain unauthorized access to sensitive information without requiring authentication credentials, fundamentally compromising the security posture of organizations relying on this privileged access management solution. The vulnerability specifically targets the administrative web interface components that should enforce strict authentication and authorization controls to prevent unauthorized personnel from accessing critical network infrastructure management functions.
The technical implementation of this flaw involves a failure in the access control validation mechanisms within the web application layer of WALLIX Bastion. Attackers can exploit this weakness to bypass authentication requirements and directly access administrative functions that should only be available to authorized personnel with proper credentials. This represents a classic case of insufficient access control validation where the application fails to properly verify user identity and privileges before granting access to sensitive administrative resources. The vulnerability manifests through improper input validation and session management that allows unauthenticated requests to traverse the access control boundaries and reach protected administrative endpoints.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with elevated privileges that could enable further exploitation within the network infrastructure. Organizations utilizing WALLIX Bastion for privileged access management face significant risk from this flaw, as it essentially creates a backdoor into their administrative systems without requiring any authentication. The compromised administrative interface could potentially allow attackers to modify access policies, add new users, or manipulate network access controls, leading to complete compromise of the privileged access management environment. This vulnerability directly violates the principle of least privilege and undermines the core security objectives of privileged access management systems.
Mitigation strategies for CVE-2023-46319 should prioritize immediate patching of affected WALLIX Bastion versions to the recommended secure releases 9.0.9 and 10.0.5. Organizations should also implement network segmentation and firewall rules to restrict access to the administrative web interface to only trusted administrative networks and IP addresses. Additional protective measures include implementing multi-factor authentication for administrative access, regular monitoring of access logs for unauthorized attempts, and conducting comprehensive security assessments of the privileged access management environment. From a cybersecurity framework perspective, this vulnerability aligns with CWE-285 which addresses improper authorization issues, and maps to ATT&CK technique T1078 for valid accounts and T1566 for credential harvesting through unauthorized access to administrative systems. Organizations should also consider implementing network-based intrusion detection systems to monitor for suspicious access patterns and ensure that all administrative interfaces are properly secured through defense-in-depth strategies that include both technical controls and administrative procedures.