CVE-2020-27408 : Security Advisory and Response

OpenSIS Community Edition through 7.6 is affected by incorrect access controls for the file ResetUserInfo.php, allowing an unauthenticated attacker to change the password of arbitrary users.

Understanding CVE-2020-27408

This CVE identifies a security vulnerability in OpenSIS Community Edition through version 7.6.

What is CVE-2020-27408?

CVE-2020-27408 highlights incorrect access controls in OpenSIS Community Edition, enabling unauthorized users to modify user passwords.

The Impact of CVE-2020-27408

The vulnerability permits unauthenticated attackers to change passwords for any user, posing a significant security risk to affected systems.

Technical Details of CVE-2020-27408

OpenSIS Community Edition through version 7.6 is susceptible to unauthorized password changes due to improper access controls.

Vulnerability Description

The flaw in ResetUserInfo.php allows attackers without authentication to alter user passwords.

Affected Systems and Versions

Product: OpenSIS Community Edition
Versions: up to 7.6

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating the ResetUserInfo.php file to change passwords without authentication.

Mitigation and Prevention

To address CVE-2020-27408, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Monitor system logs for suspicious activities related to password changes.
Implement strong authentication mechanisms to prevent unauthorized access.
Apply security patches promptly to mitigate the vulnerability.

Long-Term Security Practices

Conduct regular security audits to identify and address potential vulnerabilities.
Educate users on password security best practices to enhance overall system security.

Patching and Updates

Update OpenSIS Community Edition to the latest version to patch the vulnerability and enhance system security.