CVE-2021-45786 Explained : Impact and Mitigation
Learn about CVE-2021-45786, a vulnerability impacting maccms v10 login functionality. Find out the impact, affected systems, exploitation method, and mitigation steps.
In maccms v10, an attacker can log in through /index.php/user/login in the 'col' and 'openid' parameters to gain privileges.
Understanding CVE-2021-45786
What is CVE-2021-45786?
CVE-2021-45786 is a vulnerability present in maccms v10 that allows an attacker to elevate their privileges by exploiting specific parameters in the login functionality.
The Impact of CVE-2021-45786
The vulnerability can be exploited by attackers to gain unauthorized access and perform malicious actions with elevated privileges within the system.
Technical Details of CVE-2021-45786
Vulnerability Description
In maccms v10, malicious users can exploit the 'col' and 'openid' parameters in the /index.php/user/login feature to gain privileges beyond their legitimate access level.
Affected Systems and Versions
- Product: maccms v10
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
Attackers can abuse the login functionality by manipulating the 'col' and 'openid' parameters, enabling them to bypass access restrictions and elevate their privileges.
Mitigation and Prevention
Immediate Steps to Take
- Disable or restrict access to the affected /index.php/user/login endpoint.
- Implement strong authentication mechanisms to prevent unauthorized logins.
Long-Term Security Practices
- Regularly update the maccms v10 installation to patch known vulnerabilities.
- Conduct security assessments and audits to identify and address potential weaknesses.
- Educate users on best practices to enhance system security.
Patching and Updates
Apply patches and updates released by the maccms v10 provider to fix the CVE-2021-45786 vulnerability.