CVE-2026-3183 in ManageEngine ADSelfService Plus
Summary
by MITRE • 07/21/2026
Zohocorp ManageEngine ADSelfService Plus versions before 6524 are vulnerable to Multi Factor Authentication Bypass.
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Analysis
by VulDB Data Team • 07/21/2026
The vulnerability in Zohocorp ManageEngine ADSelfService Plus versions prior to 6524 represents a critical authentication weakness that allows attackers to bypass multi-factor authentication mechanisms. This flaw specifically targets the authentication flow within the self-service password reset functionality, creating a pathway for unauthorized access to user accounts and sensitive directory information. The vulnerability stems from improper validation of authentication tokens and session management during the MFA verification process, allowing malicious actors to exploit gaps in the security implementation.
Technical exploitation of this vulnerability occurs when an attacker can manipulate or predict the authentication flow without completing the required multi-factor verification steps. The flaw likely resides in how the system validates the second factor of authentication, potentially accepting pre-generated tokens or bypassing validation checks entirely. This type of vulnerability falls under the CWE-305 authentication weakness category, specifically related to improper authentication implementation where the system fails to properly enforce multi-factor requirements. The issue creates a persistent security gap that undermines the core purpose of MFA protection.
The operational impact of this vulnerability extends beyond simple account compromise, as it provides attackers with elevated privileges within the Active Directory environment managed by ADSelfService Plus. Successful exploitation could enable lateral movement throughout the network, privilege escalation to administrative accounts, and access to sensitive corporate data including user credentials, system configurations, and directory services information. Attackers leveraging this vulnerability could potentially establish persistent access points or facilitate more extensive attacks such as credential theft, data exfiltration, or insider threat exploitation.
Organizations should immediately upgrade to ADSelfService Plus version 6524 or later to address this vulnerability, as the update includes proper session validation and authentication token handling mechanisms. Security teams should implement additional monitoring for unusual authentication patterns and conduct thorough access reviews of affected systems. The mitigation strategy should include network segmentation, enhanced logging of authentication events, and regular security assessments to identify potential exploitation attempts. This vulnerability aligns with ATT&CK technique T1566 which covers credential harvesting through social engineering or authentication bypass methods, making it a critical priority for organizations relying on this identity management solution.