CVE-2021-22360 : What You Need to Know

A resource management error vulnerability has been identified in versions V500R001C60SPC500, V500R005C00SPC100, V500R005C00SPC200 of USG9500, which could allow an attacker to cause service disruption on affected devices.

Understanding CVE-2021-22360

This CVE relates to a resource management error vulnerability in Huawei's USG9500 series, potentially leading to service disruption due to improper resource management.

What is CVE-2021-22360?

The CVE-2021-22360 involves a vulnerability in specific versions of USG9500 where an attacker with authenticated access can exploit improper resource management, leading to service abnormality.

The Impact of CVE-2021-22360

The vulnerability could be exploited by an attacker to cause service disruption or abnormality on affected devices, potentially leading to downtime or performance issues.

Technical Details of CVE-2021-22360

This section highlights crucial technical details regarding the vulnerability.

Vulnerability Description

The vulnerability arises from a resource management error within the affected versions of USG9500, enabling attackers to disrupt services.

Affected Systems and Versions

The vulnerability impacts USG9500 devices running versions V500R001C60SPC500, V500R005C00SPC100, and V500R005C00SPC200.

Exploitation Mechanism

Attackers need authenticated access to the affected device to exploit the resource management error, potentially causing service disruption.

Mitigation and Prevention

Here are essential steps to mitigate the risks associated with CVE-2021-22360.

Immediate Steps to Take

Apply vendor-provided patches and updates promptly to address the vulnerability.
Monitor network activity for any signs of exploitation or service disruption.

Long-Term Security Practices

Regularly update and patch all software and firmware to prevent known vulnerabilities.
Implement strong authentication mechanisms to restrict unauthorized access.

Patching and Updates

Ensure that all affected USG9500 devices are updated with the latest patches provided by Huawei to mitigate the resource management error vulnerability.