External risk intelligence

Attacker can bypass login on Yepas Digital to gain control

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2023-4702

A critical flaw in Yepas Digital allows anyone to bypass login and access sensitive data, as the system is designed to be reachable online. Update immediately to prevent unauthorized access.

4Halo Surface Signal

Missing Authentication

Yepas Digital Yepas

before 1.0.1

External exposure likelihood

Halo Surface Signal score for CVE-2023-4702

Digital Yepas is an online customer transaction portal and web application designed for utility account management. In its standard deployment, the login interface is hosted on the public internet to ensure it remains reachable by customers.

Horizon Alert

Summary of the vulnerability and why it matters

This vulnerability in Yepas Digital Yepas allows unauthorized users to bypass authentication, gaining access to the system. This could allow access to sensitive customer information or unauthorized actions.

  • Bypasses authentication controls.
  • Affects customers using the system.
  • Publicly reachable by design.

Attack Path

How an attacker could exploit the issue

An attacker can bypass authentication to gain unauthorized access to the Digital Yepas application. This could be achieved by exploiting an alternate path or channel, allowing them to access sensitive user information or perform actions without proper credentials.

  • No authentication required.
  • Exploits alternate paths.
  • Targets login functionality.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability allows for authentication bypass, meaning an attacker could potentially gain unauthorized access to the Digital Yepas system. While the vulnerability is rated critically severe, there is currently limited public information suggesting widespread or active exploitation. The threat picture remains uncertain without more data on attacker interest or observed misuse.

  • No reported exploitation in the wild.
  • No public exploit code found.
  • Published in late 2023.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

Prioritize immediate patching or isolation of Digital Yepas versions prior to 1.0.1, as this critical authentication bypass vulnerability is exposed externally and easily exploitable. If patching is not immediately feasible, implement network segmentation and enhanced monitoring for unauthorized access attempts on the affected systems.

  • Patch Digital Yepas to version 1.0.1 or later.
  • Isolate affected services from the network.
  • Monitor for suspicious authentication activities.

Frequently asked questions

What is Yepas Digital and its primary function?

Yepas Digital is an online customer transaction portal and web application designed for managing utility accounts, accessible to customers via the internet.

What type of weakness does CVE-2023-4702 represent?

CVE-2023-4702 is an Authentication Bypass vulnerability, specifically using an alternate path or channel. This allows an attacker to circumvent the intended login process and gain access without valid credentials.

How can an attacker exploit CVE-2023-4702 to gain unauthorized access?

An attacker can exploit this vulnerability by bypassing the standard authentication controls through an alternate path or channel. This could lead to unauthorized access to sensitive customer information or the ability to perform actions within the system without proper authorization.

What is the relevance of CVE-2023-4702 for Digital Yepas users?

This critical vulnerability allows for authentication bypass, meaning attackers could gain unauthorized access to the Digital Yepas system. The system is publicly reachable by design, increasing the potential impact.

What actions should be taken to address the CVE-2023-4702 vulnerability?

It is critical to patch Digital Yepas to version 1.0.1 or later immediately. If patching is not feasible, isolate the affected services from the network and enhance monitoring for suspicious authentication activities to prevent unauthorized access.

References