External risk intelligence

Attacker can take control of Useroam Hotspot or steal sensitive data

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2021-3854

A critical flaw in Glox Technology Useroam Hotspot lets attackers steal data or take control without needing a password, due to SQL injection. This is a serious risk as it's easily exploitable over the internet.

5Halo Surface Signal

SQL Injection

Glox Useroam Hotspot

before 5.1.0.15

External exposure likelihood

Halo Surface Signal score for CVE-2021-3854

The product is a hotspot management system designed to handle user authentication at the network edge. Its primary function involves exposing login and management interfaces to users, often over public or untrusted network segments, making it inherently internet-facing and accessible by design.

Horizon Alert

Summary of the vulnerability and why it matters

A vulnerability in Glox Technology Useroam Hotspot could allow an attacker to inject malicious SQL commands, potentially leading to unauthorized access or modification of sensitive data. This issue warrants attention because it can be exploited remotely and has a high impact.

  • Allows remote attackers full control.
  • Compromises user data integrity.
  • Affects critical hotspot functionality.

Attack Path

How an attacker could exploit the issue

An attacker can exploit this SQL injection vulnerability in Glox Technology Useroam Hotspot to directly access or modify the system's backend database. By crafting malicious input through the vulnerable interface, an attacker could bypass authentication, steal sensitive user data, or even execute administrative commands on the hotspot system.

  • No authentication required.
  • Target vulnerable web interface.
  • Database credentials can be exfiltrated.

Live Threat

Current exploitation, exposure, and threat context

This SQL injection vulnerability in Glox Technology Useroam Hotspot is likely to be weaponized due to its critical severity and the unauthenticated nature of the attack. Such vulnerabilities allow attackers to directly manipulate database queries, potentially leading to data theft or system compromise. The internet-facing nature of hotspot management systems increases their attack surface.

  • Critical severity SQL injection.
  • Publicly disclosed, no exploit code available.
  • Affects network edge devices.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

Prioritize blocking all network traffic to and from Useroam Hotspot instances that are not yet patched to version 5.1.0.15. Given the critical severity and the SQL injection vulnerability, actively exploited instances pose a significant risk of data compromise. If isolating affected systems is not immediately feasible, implement strict firewall rules to limit access to only essential internal networks.

  • Block network access to unpatched systems.
  • Monitor for suspicious database queries.
  • Patch Useroam Hotspot to 5.1.0.15.

Frequently asked questions

What is Glox Technology Useroam Hotspot and what is it used for?

Glox Technology Useroam Hotspot is a system used for managing user access and authentication on wireless networks. It is designed to handle the login process for users connecting to a hotspot.

What kind of weakness does CVE-2021-3854 represent?

CVE-2021-3854 is an SQL Injection vulnerability. This means an attacker can insert or 'inject' malicious SQL code into the system's commands, which can then be executed by the database.

How can an attacker exploit this SQL injection vulnerability in Useroam Hotspot?

An attacker can exploit this vulnerability by sending specially crafted input to the Useroam Hotspot's web interface. The vulnerability is not triggered if the Useroam Hotspot is updated to version 5.1.0.15 or later.

Who should be concerned about this vulnerability in Useroam Hotspot?

Organizations using Glox Technology Useroam Hotspot should be concerned. Halo Surface Signal indicates this product is very likely internet-facing, meaning it's accessible from the internet, increasing the risk of exploitation.

What is the first step to address the Useroam Hotspot vulnerability?

The primary first step is to update Glox Technology Useroam Hotspot to version 5.1.0.15 or a later version to fix the vulnerability.

References