CVE-2023-4702 in Digital Yepaş
Summary
by MITRE • 09/14/2023
Authentication Bypass Using an Alternate Path or Channel vulnerability in Yepas Digital Yepas allows Authentication Bypass.
This issue affects Digital Yepas: before 1.0.1.
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Analysis
by VulDB Data Team • 05/21/2026
The CVE-2023-4702 vulnerability represents a critical authentication bypass flaw within the Yepas Digital Yepas platform that enables unauthorized access through alternative pathways or channels. This vulnerability specifically impacts versions prior to 1.0.1 of the software, indicating a regression or design oversight in the authentication mechanism that was not properly addressed in earlier releases. The flaw allows attackers to circumvent the standard authentication procedures by exploiting alternate access vectors that were not adequately secured or validated.
This type of vulnerability falls under the broader category of authentication bypass issues that are classified as CWE-287, which deals with improper handling of authentication tokens and credentials. The attack vector leverages what security professionals refer to as "alternate path or channel" techniques, where an attacker can bypass the primary authentication mechanism by utilizing alternative access points or methods that were not properly secured. The vulnerability demonstrates a fundamental weakness in the software's security architecture where multiple access paths are not consistently validated for proper authentication.
From an operational impact perspective, this vulnerability poses significant risks to organizations using Yepas Digital Yepas software. An attacker who successfully exploits this bypass could gain unauthorized access to sensitive data, system resources, or administrative functions without proper credentials. The implications extend beyond simple unauthorized access as this could lead to data breaches, system compromise, and potential lateral movement within network environments where the software is deployed. The vulnerability is particularly concerning given that it affects all versions prior to 1.0.1, suggesting that organizations with older deployments may be exposed to this risk.
The remediation strategy for CVE-2023-4702 requires immediate attention and includes updating to version 1.0.1 or later, which presumably contains the necessary patches to address the authentication bypass mechanism. Organizations should conduct comprehensive vulnerability assessments to identify systems running affected versions and implement proper access controls. Security teams should also review the authentication mechanisms and ensure that all access paths are properly validated and secured. This vulnerability aligns with ATT&CK technique T1078 which covers valid accounts and legitimate credentials, as attackers can leverage this bypass to gain access using alternate legitimate channels that were not properly secured.
The root cause of this vulnerability likely stems from inadequate input validation and authentication flow management within the software architecture. The software's design may have failed to properly implement consistent authentication checks across all access points, creating gaps where alternate channels could be exploited without proper credential verification. Security best practices recommend implementing defense-in-depth strategies where authentication controls are applied consistently across all potential access vectors. Organizations should also consider implementing additional monitoring and logging mechanisms to detect potential exploitation attempts of this type of vulnerability. The vulnerability highlights the importance of thorough security testing, particularly around authentication flows, before software releases to prevent such issues from reaching production environments.