CVE-2020-21884 : Exploit Details and Defense Strategies

Unibox SMB 2.4 and UniBox Enterprise Series 2.4 and UniBox Campus Series 2.4 contain a cross-site request forgery (CSRF) vulnerability that could allow an attacker to reconfigure the device through specially crafted HTTP requests.

Understanding CVE-2020-21884

This CVE involves a CSRF vulnerability in specific endpoints of the affected Unibox products.

What is CVE-2020-21884?

The vulnerability in Unibox SMB 2.4 and UniBox Enterprise Series 2.4 and UniBox Campus Series 2.4 allows attackers to manipulate the device configuration using malicious HTTP requests.

The Impact of CVE-2020-21884

Exploitation of this vulnerability could lead to unauthorized reconfiguration of the affected devices, potentially compromising their security and functionality.

Technical Details of CVE-2020-21884

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The CSRF vulnerability exists in specific endpoints (/tools/network-trace, /list_users, /list_byod?usertype=raduser, /dhcp_leases, /go?rid=202) of the affected Unibox products, allowing attackers to perform unauthorized device reconfiguration.

Affected Systems and Versions

Unibox SMB 2.4
UniBox Enterprise Series 2.4
UniBox Campus Series 2.4

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted HTTP requests to the mentioned endpoints, triggering unauthorized device reconfiguration.

Mitigation and Prevention

Protecting systems from CVE-2020-21884 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-supplied patches or updates to address the CSRF vulnerability promptly.
Monitor network traffic for any suspicious activity targeting the vulnerable endpoints.

Long-Term Security Practices

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

Patching and Updates

Regularly check for security updates from the vendor and apply them as soon as they are available to secure the affected systems.