CVE-2021-45886 Explained : Impact and Mitigation

An issue was discovered in PONTON X/P Messenger before 3.11.2 where Anti-CSRF tokens are globally valid, exposing the web application to a CSRF vulnerability.

Understanding CVE-2021-45886

This CVE identifies a CSRF vulnerability in PONTON X/P Messenger.

What is CVE-2021-45886?

The vulnerability allows an arbitrary token of a low-privileged user to confirm actions of higher-privileged users.

The Impact of CVE-2021-45886

Allows low-privileged users to perform actions of higher-privileged users.
Compromises the integrity and security of the application.

Technical Details of CVE-2021-45886

The technical aspects of the CSRF vulnerability in PONTON X/P Messenger.

Vulnerability Description

The global validity of CSRF tokens leads to the exploitation where a low-privileged user's token can authenticate high-privileged actions.

Affected Systems and Versions

Product: PONTON X/P Messenger
Version: Before 3.11.2

Exploitation Mechanism

CSRF tokens not being user-specific leads to a weakened version of CSRF.

Mitigation and Prevention

Steps to address and prevent the vulnerability in PONTON X/P Messenger.

Immediate Steps to Take

Disable CSRF token validity on a global scale.
Implement user-specific CSRF tokens for enhanced security.

Long-Term Security Practices

Regular security audits and assessments for vulnerabilities.
Educate users on CSRF risks and safe practices.

Patching and Updates

Update the application to version 3.11.2 which addresses this CSRF vulnerability.