CVE-2020-1814 : Exploit Details and Defense Strategies

Understanding CVE-2020-1814

What is CVE-2020-1814?

Huawei NIP6800 and Secospace USG6600, USG9500 devices are impacted by a Dangling Pointer Dereference vulnerability. Attackers with authenticated access can exploit this flaw by performing specific operations in certain scenarios.

The Impact of CVE-2020-1814

The successful exploitation of this vulnerability can result in a Dangling Pointer Dereference, leading to service disruptions.

Technical Details of CVE-2020-1814

Vulnerability Description

A Dangling Pointer Dereference vulnerability exists in Huawei NIP6800 and Secospace USG6600, USG9500 devices.

Affected Systems and Versions

Huawei NIP6800 versions V500R001C30, V500R001C60SPC500, V500R005C00
Secospace USG6600 and USG9500 versions V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, V500R005C00

Exploitation Mechanism

An authenticated attacker can exploit the vulnerability by manipulating specific operations in specific scenarios.

Mitigation and Prevention

Immediate Steps to Take

Apply the available security patches provided by Huawei.
Ensure proper configuration management to reduce the attack surface.

Long-Term Security Practices

Regularly update and patch firmware and software to mitigate potential vulnerabilities.
Implement strong authentication mechanisms to limit unauthorized access.

Patching and Updates

Regularly check for and apply the latest security updates from Huawei to address this vulnerability.