CVE-2023-7103 in UFace 5
Summary
by MITRE • 03/05/2024
Authentication Bypass by Primary Weakness vulnerability in ZKSoftware Biometric Security Solutions UFace 5 allows Authentication Bypass.
This issue affects UFace 5: through 12022024.
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Analysis
by VulDB Data Team • 05/20/2026
The vulnerability CVE-2023-7103 represents a critical authentication bypass flaw within ZKSoftware's UFace 5 biometric security solution, classified under the primary weakness of authentication bypass by primary weakness. This vulnerability specifically impacts versions of the UFace 5 system through the build date of 12022024, creating a significant security risk for organizations relying on this biometric access control platform. The issue stems from inadequate authentication mechanisms that fail to properly validate user credentials, allowing unauthorized access to secured systems and facilities. This type of vulnerability directly violates the fundamental security principle of access control and can be categorized under CWE-287, which addresses improper authentication issues in software systems.
The technical exploitation of this authentication bypass vulnerability occurs through the manipulation of authentication flows within the UFace 5 platform, potentially enabling attackers to circumvent the biometric verification process entirely. Attackers may leverage this weakness to gain unauthorized access to protected areas, systems, or data without proper authentication credentials. The vulnerability's impact extends beyond simple unauthorized access as it can enable further malicious activities including data exfiltration, system compromise, and unauthorized modification of access control settings. This weakness creates a persistent backdoor that could remain undetected for extended periods, making it particularly dangerous for enterprise security environments where continuous monitoring is essential.
From an operational standpoint, organizations utilizing affected UFace 5 systems face severe consequences including potential data breaches, unauthorized physical access, and compromised security postures. The vulnerability affects the core functionality of biometric security solutions, undermining the trust placed in these systems for protecting sensitive assets and facilities. Security teams must consider the implications of this vulnerability across their entire security infrastructure, as bypassing biometric authentication can lead to cascading security failures throughout the organization. The attack surface expands significantly when considering that biometric systems often serve as primary access control mechanisms for critical infrastructure, data centers, and secure facilities.
Mitigation strategies for CVE-2023-7103 should prioritize immediate implementation of security patches provided by ZKSoftware, along with comprehensive security assessments of affected systems. Organizations must conduct thorough vulnerability scans to identify all instances of the vulnerable UFace 5 software and implement network segmentation to limit potential attack vectors. The remediation process should include disabling unnecessary authentication methods, implementing additional access controls, and establishing monitoring procedures to detect potential exploitation attempts. Security professionals should also consider implementing the principle of least privilege and regular security audits to prevent unauthorized access. This vulnerability aligns with ATT&CK technique T1078 which covers valid accounts and privilege escalation, emphasizing the importance of proper access control mechanisms and the potential for attackers to leverage compromised authentication systems for broader security breaches.