CVE-2020-15341 Explained : Impact and Mitigation

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has an unauthenticated update_all_realm_license API.

Understanding CVE-2020-15341

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 are impacted by a vulnerability related to an unauthenticated API.

What is CVE-2020-15341?

This CVE identifies a security flaw in Zyxel CloudCNM SecuManager versions 3.1.0 and 3.1.1, allowing unauthorized access to the update_all_realm_license API.

The Impact of CVE-2020-15341

The vulnerability could be exploited by malicious actors to manipulate licenses and potentially disrupt the system's operation or gain unauthorized access.

Technical Details of CVE-2020-15341

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 are affected by a specific security issue.

Vulnerability Description

The unauthenticated update_all_realm_license API in Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 poses a security risk due to unauthorized access.

Affected Systems and Versions

Product: Zyxel CloudCNM SecuManager
Versions: 3.1.0 and 3.1.1

Exploitation Mechanism

Unauthorized users can exploit this vulnerability to access and manipulate the update_all_realm_license API without authentication.

Mitigation and Prevention

Steps to address and prevent the CVE-2020-15341 vulnerability.

Immediate Steps to Take

Disable or restrict access to the update_all_realm_license API.
Monitor for any unauthorized access attempts.

Long-Term Security Practices

Regularly update the Zyxel CloudCNM SecuManager to the latest secure version.
Implement strong authentication mechanisms and access controls.

Patching and Updates

Apply patches or updates provided by Zyxel to fix the vulnerability and enhance system security.