CVE-2020-1873 : Security Advisory and Response

Huawei vulnerability impacting NIP6800, Secospace USG6600, USG9500 products.

Understanding CVE-2020-1873

An out-of-bounds read vulnerability affecting certain Huawei products.

What is CVE-2020-1873?

Vulnerability in NIP6800, Secospace USG6600, USG9500 with specified versions
Allows unauthenticated attacker to send crafted messages leading to device reboot

The Impact of CVE-2020-1873

Malicious actors could exploit the vulnerability to cause device reboots
Significant disruption to device operation and potential denial of service

Technical Details of CVE-2020-1873

Vulnerability specifics and affected systems

Vulnerability Description

Products with versions V500R001C30, V500R001C60SPC500, V500R005C00SPC100 susceptible
Attackers can exploit inadequate message validation

Affected Systems and Versions

Products: NIP6800, Secospace USG6600, USG9500
Versions: V500R001C30, V500R001C60SPC500, V500R005C00SPC100

Exploitation Mechanism

Crafted message with specific parameter sent by unauthenticated attacker
Insufficient validation of message content triggers vulnerability

Mitigation and Prevention

Steps to address and prevent the CVE-2020-1873 vulnerability

Immediate Steps to Take

Apply patches or updates provided by Huawei promptly
Consider network segmentation to limit attack surface

Long-Term Security Practices

Regularly update and patch all software and firmware
Implement network monitoring and intrusion detection systems
Educate users on social engineering and phishing attacks

Patching and Updates

Refer to official Huawei security advisory for specific patch information