CVE-2020-1881 Explained : Impact and Mitigation

A resource management error vulnerability affects NIP6800, Secospace USG6600, and USG9500 devices with specific versions. Attackers can exploit this vulnerability to cause service abnormalities on affected devices.

Understanding CVE-2020-1881

What is CVE-2020-1881?

CVE-2020-1881 is a vulnerability found in NIP6800, Secospace USG6600, and USG9500 products with certain software versions that leads to a resource management error.

The Impact of CVE-2020-1881

The vulnerability allows attackers to exploit improper resource management, potentially resulting in disrupted services on the affected devices.

Technical Details of CVE-2020-1881

Vulnerability Description

The vulnerability resides in the resource management process of the affected products.
Attackers need to execute specific actions to trigger the vulnerability.
Improper handling of resources can lead to service disruptions.

Affected Systems and Versions

The vulnerability affects:

NIP6800
Secospace USG6600
USG9500

Versions:

V500R001C30
V500R001C30SPC200, V500R001C30SPC600

Exploitation Mechanism

Attackers can exploit this vulnerability by performing specific operations to trigger the flawed resource management function.

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-provided patches promptly.
Monitor network traffic for any unusual behavior.
Implement strong access control measures.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Conduct security assessments and penetration testing.
Educate users and staff on potential social engineering tactics.

Patching and Updates

Ensure all affected devices are updated with the latest patches from the vendor.