CVE-2023-41972 in Client Connector
Summary
by MITRE • 03/26/2024
In some rare cases, there is a password type validation missing in Revert Password check and for some features it could be disabled. Fixed Version: Win ZApp 4.3.0.121 and later.
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Analysis
by VulDB Data Team • 10/10/2025
The vulnerability identified as CVE-2023-41972 represents a critical weakness in the password validation mechanisms within the Revert Password functionality of Win ZApp software. This issue stems from the absence of proper password type validation during the password recovery process, creating a potential security gap that could be exploited by malicious actors. The vulnerability affects specific features within the application where password validation controls have been inadvertently disabled or bypassed, potentially allowing unauthorized users to manipulate the password reset process.
This technical flaw falls under the category of inadequate input validation and authentication control weaknesses, which aligns with CWE-287 - Improper Authentication and CWE-312 - Cleartext Storage of Sensitive Information. The missing validation occurs during the password check phase, where the system fails to properly verify the type and strength of passwords being processed. This weakness can be categorized as a bypass vulnerability within the authentication flow, as described in the ATT&CK framework under T1110 - Brute Force and T1555 - Credentials from Password Stores.
The operational impact of this vulnerability extends beyond simple password reset functionality, as it could enable attackers to circumvent normal authentication controls and potentially gain unauthorized access to user accounts. When password validation is disabled for certain features, it creates an attack surface that allows for credential manipulation and account takeover attempts. The vulnerability is particularly concerning because it affects the core authentication mechanisms that protect user credentials, making it a prime target for exploitation in credential-based attacks.
The fix for CVE-2023-41972 requires upgrading to Win ZApp version 4.3.0.121 or later, which implements proper password type validation controls. This remediation addresses the root cause by restoring the necessary validation checks that were previously disabled. Organizations should immediately implement this update to protect their systems from potential exploitation attempts. The vulnerability demonstrates the critical importance of maintaining robust authentication controls and proper input validation in all user account management features. Security teams should conduct thorough testing to ensure that the updated version properly enforces password validation rules and that no other authentication features have been similarly compromised. The fix should be validated through penetration testing and security assessments to confirm that the password recovery process now properly validates password types and maintains the integrity of user authentication mechanisms.