CVE-2021-27556 Explained : Impact and Mitigation

EasyCorp ZenTao 12.5.3 Cron job tab allows remote attackers with admin access to execute arbitrary code by manipulating the type parameter.

Understanding CVE-2021-27556

This CVE identifies a vulnerability in EasyCorp ZenTao 12.5.3 that enables attackers to run arbitrary code.

What is CVE-2021-27556?

The Cron job tab in EasyCorp ZenTao 12.5.3 permits authenticated remote attackers with admin privileges to execute arbitrary code by modifying the 'type' parameter to 'System'.

The Impact of CVE-2021-27556

Exploitation of this vulnerability could lead to unauthorized execution of malicious code, resulting in a complete system compromise.

Technical Details of CVE-2021-27556

This section covers the specific technical aspects of the CVE.

Vulnerability Description

The specific flaw in EasyCorp ZenTao 12.5.3 Cron job tab allows attackers to bypass security measures and execute code through the 'type' parameter.

Affected Systems and Versions

EasyCorp ZenTao version 12.5.3 is confirmed to be affected by this vulnerability.

Exploitation Mechanism

Remote attackers need admin access to exploit this vulnerability by manipulating the 'type' parameter.

Mitigation and Prevention

Learn how to protect your system from CVE-2021-27556.

Immediate Steps to Take

Immediately restrict admin access and monitor for any unauthorized activities related to the Cron job tab.

Long-Term Security Practices

Implement least privilege principles and regularly review and update access controls to prevent similar exploits.

Patching and Updates

Ensure ZenTao 12.5.3 is updated with the latest security patches to mitigate the risk of exploitation.