CVE-2021-20130 : What You Need to Know

This article provides detailed information about CVE-2021-20130, a post-authentication remote code execution vulnerability in ManageEngine ADManager Plus Build 7111 due to improperly validated file uploads.

Understanding CVE-2021-20130

CVE-2021-20130 is a critical security vulnerability in ManageEngine ADManager Plus Build 7111 that allows attackers to execute arbitrary code remotely.

What is CVE-2021-20130?

CVE-2021-20130 is a post-authentication remote code execution vulnerability in ManageEngine ADManager Plus Build 7111 resulting from inadequate validation of file uploads within the PasswordExpiry interface.

The Impact of CVE-2021-20130

The vulnerability could be exploited by malicious actors to execute arbitrary code on affected systems, leading to a complete compromise of the system's security and potential data exfiltration.

Technical Details of CVE-2021-20130

Here are the technical specifics of the CVE-2021-20130 vulnerability:

Vulnerability Description

ManageEngine ADManager Plus Build 7111 is susceptible to post-authentication remote code execution due to insecure handling of file uploads.

Affected Systems and Versions

The vulnerability affects ManageEngine ADManager Plus Build 7111. Users of this version are at risk of exploitation.

Exploitation Mechanism

Attackers can leverage the improperly validated file uploads in the PasswordExpiry interface to upload malicious files and execute arbitrary code on the target system.

Mitigation and Prevention

To safeguard systems from CVE-2021-20130, the following steps are recommended:

Immediate Steps to Take

Update ManageEngine ADManager Plus to the latest version that contains a patch for the vulnerability.
Implement network segmentation to limit the exposure of vulnerable systems.

Long-Term Security Practices

Regularly monitor and audit file uploads within ManageEngine ADManager Plus to detect any suspicious activities.
Conduct security training to educate users about the risks associated with file uploads.

Patching and Updates

Stay informed about security updates released by ManageEngine and promptly apply patches to address vulnerabilities like CVE-2021-20130.