CVE-2020-15877 : Vulnerability Insights and Analysis
Discover the impact of CVE-2020-15877 in LibreNMS. Learn about the vulnerability allowing normal users to bypass access controls and how to mitigate the risk.
An issue was discovered in LibreNMS before 1.65.1 with insufficient access control for normal users.
Understanding CVE-2020-15877
This CVE identifies a vulnerability in LibreNMS that could allow normal users to bypass access controls.
What is CVE-2020-15877?
The vulnerability in LibreNMS before version 1.65.1 allows normal users to have more access than intended due to a misconfiguration in the access control settings.
The Impact of CVE-2020-15877
The vulnerability could lead to unauthorized access and potential misuse of system resources by normal users.
Technical Details of CVE-2020-15877
This section provides more technical insights into the CVE.
Vulnerability Description
The issue arises from using "'guard' => 'admin'" instead of the correct configuration "'middleware' => ['can:admin']" in routes/web.php.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by normal users to gain admin-level access due to the misconfigured access control settings.
Mitigation and Prevention
Protect your systems from CVE-2020-15877 with these steps.
Immediate Steps to Take
- Upgrade LibreNMS to version 1.65.1 or newer.
- Review and adjust access control configurations.
Long-Term Security Practices
- Regularly review and update access control policies.
- Conduct security audits to identify and address similar vulnerabilities.
Patching and Updates
- Apply patches and updates promptly to address security vulnerabilities.