CVE-2020-15337 : Vulnerability Insights and Analysis

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a "Use of GET Request Method With Sensitive Query Strings" issue for /registerCpe requests.

Understanding CVE-2020-15337

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 are affected by a security vulnerability related to the use of GET request method with sensitive query strings.

What is CVE-2020-15337?

This CVE identifies a security flaw in Zyxel CloudCNM SecuManager versions 3.1.0 and 3.1.1 that allows sensitive query strings to be exposed through the GET request method for /registerCpe requests.

The Impact of CVE-2020-15337

The vulnerability could potentially lead to unauthorized access to sensitive information or data leakage due to the exposure of query strings in GET requests.

Technical Details of CVE-2020-15337

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 are susceptible to the following:

Vulnerability Description

Issue: Use of GET Request Method With Sensitive Query Strings

Affected Systems and Versions

Systems: Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1
Versions: All versions prior to the patched release

Exploitation Mechanism

Attackers can exploit this vulnerability by intercepting GET requests containing sensitive query strings, potentially leading to data exposure.

Mitigation and Prevention

To address CVE-2020-15337, consider the following steps:

Immediate Steps to Take

Update Zyxel CloudCNM SecuManager to the latest patched version.
Monitor network traffic for any suspicious activity related to sensitive query strings.

Long-Term Security Practices

Implement secure communication protocols to protect sensitive data in transit.
Regularly review and update security configurations to prevent similar vulnerabilities.

Patching and Updates

Stay informed about security advisories from Zyxel and apply patches promptly to mitigate known vulnerabilities.