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An authentication bypass vulnerability in Zoho ManageEngine ADSelfService Plus

Issued: 
Wednesday, 29 September, 2021
Last Revision: 
Wednesday, 29 September, 2021
Vendor: 
Severity Level: 
Summary: 

Zoho ManageEngine ADSelfService Plus version 6113 and prior is vulnerable to REST API authentication bypass vulnerability that could result in remote code execution (RCE).

 

This vulnerability allows an attacker to gain unauthorized access to the product through REST API endpoints by sending a specially crafted request. This would allow the attacker to carry out subsequent attacks resulting in RCE.

 

Organization are advised to follow ManageEngine recommendation to identify the affected installation and action for affected and not affected ADSelfService Plus installation.

 

 

       CVE

                         Description 

CVSS3.0 Score

CVE-2021-40539

 Authentication bypass vulnerability   

9.8

 

                                                                                       Table 1: Vulnerability details

 

  Vulnerability / CVE

                    Affected Product(s)

CVE-2021-40539

ADSelfService Plus builds up to 6113

 

                                                                                       Table 2: Vulnerability Versions

Recommendation: 

Please refer to the references.