CVE-2021-33617 : Vulnerability Insights and Analysis

Zoho ManageEngine Password Manager Pro before 11.2 11200 allows login enumeration, revealing valid usernames due to a specific response behavior.

Understanding CVE-2021-33617

This CVE identifies a vulnerability in Zoho ManageEngine Password Manager Pro that enables malicious actors to determine valid usernames through a specific response behavior.

What is CVE-2021-33617?

The security flaw in Zoho ManageEngine Password Manager Pro prior to version 11.2 11200 allows attackers to conduct username enumeration by exploiting the null response for invalid usernames.

The Impact of CVE-2021-33617

This vulnerability could lead to an increased risk of unauthorized access and potential security breaches for organizations using Zoho ManageEngine Password Manager Pro.

Technical Details of CVE-2021-33617

The technical aspects of CVE-2021-33617 include:

Vulnerability Description

Zoho ManageEngine Password Manager Pro before 11.2 11200 discloses valid usernames through the null response to failed login requests, aiding attackers in enumerating existing usernames.

Affected Systems and Versions

The vulnerability impacts Zoho ManageEngine Password Manager Pro versions before 11.2 11200.

Exploitation Mechanism

Malicious actors can exploit this vulnerability by submitting login requests with different usernames and observing the null response for invalid entries.

Mitigation and Prevention

To address CVE-2021-33617, consider the following measures:

Immediate Steps to Take

Update Zoho ManageEngine Password Manager Pro to version 11.2 11200 or later to mitigate the vulnerability.
Implement strong password policies and multi-factor authentication to enhance security.

Long-Term Security Practices

Regularly monitor login attempts and system logs for any suspicious activities.
Conduct security training sessions to raise awareness about social engineering and phishing attacks.

Patching and Updates

Stay informed about security advisories and updates from Zoho ManageEngine to promptly address any new vulnerabilities.