External risk intelligence

SonicWall SMA100 Unauthorized Data Access Vulnerability

CVE advisoryKnown Exploit

CVE-2019-7481

SonicWall SMA100 devices are affected by a vulnerability allowing unauthorized data access. This poses a business risk by potentially exposing sensitive information to unauthenticated users. Applying vendor updates is advised.

5Halo Surface Signal

SQL Injection

Sonicwall Sma 100 Firmware

before 9.0.0.4

External exposure likelihood

Halo Surface Signal score for CVE-2019-7481

The SonicWall SMA100 series is a Secure Mobile Access gateway designed specifically to provide remote access and VPN connectivity. As an edge device intended to be exposed to the internet to facilitate remote user connections, the interface is public-facing by design.

Horizon Alert

Summary of the vulnerability and why it matters

This vulnerability affects SonicWall's SMA100 devices. It allows an unauthenticated user to access unauthorized information. The core issue involves a weakness in how the system handles certain requests, leading to unintended data exposure.

  • Vulnerable SonicWall SMA100 devices
  • Unauthenticated access to unauthorized resources
  • Potential for data exposure and business risk

Attack Path

How an attacker could exploit the issue

This vulnerability allows an unauthenticated user to access unauthorized resources on the affected system. Attackers can exploit this by sending malicious requests to the system. Successful exploitation could lead to unauthorized data exposure.

  • Exposure condition: System is accessible externally.
  • Attacker starting point: Unauthenticated network access.
  • Trigger and result: Malicious request leads to unauthorized data access.

Live Threat

Current exploitation, exposure, and threat context

A vulnerability in SonicWall SMA100 devices could permit an unauthenticated attacker to access unauthorized information. This could expose sensitive data within the affected organization, leading to potential business disruptions. Given the nature of the vulnerability, it poses a significant risk.

  • Likely attacker skill level: Low
  • Required access or conditions: Network access
  • Business risk or urgency: High

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability allows unauthenticated users to access unauthorized resources. Organizations using the affected SonicWall SMA100 devices should take immediate action to mitigate potential business risk. Prioritized steps include identifying all instances of the device, reducing its exposure to the network, applying the vendor-provided solution, and verifying its successful implementation. Continuous monitoring is also essential to detect any related suspicious activity.

  • Find affected SonicWall SMA100 assets.
  • Reduce exposure or isolate risk.
  • Fix, verify, and monitor.

Frequently asked questions

What is the SonicWall SMA100 secure mobile access gateway?

The SonicWall SMA100 is a secure mobile access gateway that provides remote users with VPN connectivity and access to company resources.

What type of weakness does CVE-2019-7481 represent?

CVE-2019-7481 represents a SQL injection weakness, identified as CWE-89.

How can an attacker exploit the SonicWall SMA100 vulnerability?

An attacker can exploit this vulnerability by sending specially crafted requests to the SonicWall SMA100 device, allowing unauthenticated access to unauthorized resources.

What is the relevance of CVE-2019-7481 to network security?

This vulnerability allows an unauthenticated user to gain read-only access to unauthorized resources on the SonicWall SMA100, potentially exposing sensitive data and posing a significant business risk.

What steps should be taken to address the SonicWall SMA100 vulnerability?

Organizations should identify affected SonicWall SMA100 devices, reduce their network exposure, apply vendor-provided solutions, and continuously monitor for suspicious activity to mitigate risk.

References