CVE-2024-38868: ManageEngine Endpoint Central Auth Bypass

CVE-2024-38868 Overview

CVE-2024-38868 is an incorrect authorization vulnerability in Zohocorp ManageEngine Endpoint Central. The flaw exists in the device isolation functionality and allows a low-privileged authenticated attacker to perform actions that should require higher privileges. The vulnerability affects Endpoint Central versions before 11.3.2406.08 and before 11.3.2400.15.

ManageEngine Endpoint Central is a unified endpoint management and security platform used across enterprise environments. Exploitation impacts the integrity and availability of managed endpoints while exposing limited confidential data. The weakness is classified under CWE-863: Incorrect Authorization.

Critical Impact

An authenticated network attacker with low privileges can invoke device isolation actions without proper authorization checks, disrupting endpoint availability and integrity across managed systems.

Affected Products

• Zohocorp ManageEngine Endpoint Central versions before 11.3.2406.08
• Zohocorp ManageEngine Endpoint Central versions before 11.3.2400.15
• ManageEngine Endpoint Central Next-Gen Antivirus (NGAV) module

Discovery Timeline

• 2024-08-30 - CVE-2024-38868 published to NVD
• 2026-06-17 - Last updated in NVD database

Technical Details for CVE-2024-38868

Vulnerability Analysis

The vulnerability is an incorrect authorization flaw affecting the device isolation workflow in ManageEngine Endpoint Central. The server-side authorization logic does not correctly validate whether the requesting user holds the required role before executing isolation actions on managed devices. Low-privileged authenticated users can invoke functionality reserved for administrators.

Device isolation is a security response feature that severs network connectivity for a managed endpoint. Abusing this feature disrupts business operations, prevents legitimate administrators from responding to incidents, and can be chained with other actions to degrade defensive posture. The attack requires network access and low privileges but no user interaction.

Root Cause

The root cause is missing or incomplete role-based authorization checks on the API endpoints that trigger device isolation. When a request reaches the isolation handler, the application authenticates the caller but fails to verify that the account holds the administrative role required for the operation. This is a classic CWE-863 pattern where authentication is conflated with authorization.

Attack Vector

An attacker authenticates to the Endpoint Central console using any low-privileged account. The attacker then issues a crafted request against the device isolation API endpoint, targeting one or more managed endpoints. Because the server does not enforce role checks, the isolation action executes, cutting the targeted devices off from the network.

No exploit code has been published in public repositories, and CISA has not listed this CVE in the Known Exploited Vulnerabilities catalog. Refer to the ManageEngine Security Advisory for vendor-provided technical details.

Detection Methods for CVE-2024-38868

Indicators of Compromise

• Unexpected device isolation events initiated by non-administrator accounts in Endpoint Central audit logs
• Managed endpoints reporting sudden loss of network connectivity without a corresponding administrator-approved change ticket
• API requests to isolation endpoints originating from user sessions that lack administrative roles

Detection Strategies

• Review Endpoint Central audit trails for isolation actions and correlate the initiating account against the expected administrator roster.
• Alert on any device isolation event triggered by an account that has not previously performed administrative actions.
• Baseline normal isolation activity per administrator and flag statistical anomalies such as bulk isolation events.

Monitoring Recommendations

• Forward ManageEngine Endpoint Central audit logs to a centralized SIEM or data lake for long-term retention and correlation.
• Monitor authentication logs for successful logins from unusual source IP ranges followed by administrative API calls.
• Track endpoint agent connectivity state changes and correlate with server-side isolation events to identify unauthorized triggers.

How to Mitigate CVE-2024-38868

Immediate Actions Required

• Upgrade Endpoint Central to build 11.3.2406.08 or later on the current release track, or 11.3.2400.15 or later on the long-term support track.
• Audit all Endpoint Central user accounts and remove unnecessary access, enforcing least privilege for non-administrative roles.
• Review historical audit logs for suspicious isolation events performed by low-privileged accounts.

Patch Information

Zohocorp released fixed builds addressing this incorrect authorization flaw. Administrators should apply build 11.3.2406.08 or 11.3.2400.15 (or later) depending on their release channel. Patch details are documented in the ManageEngine Security Updates advisory.

Workarounds

• Restrict network access to the Endpoint Central management console using firewall rules and allow-lists until patching is complete.
• Enforce multi-factor authentication on all Endpoint Central accounts to raise the barrier for credential-based access to the console.
• Temporarily disable or tightly scope non-administrator accounts that do not require access to endpoint management operations.

# Verify installed Endpoint Central build after upgrade
# On the Endpoint Central server, check the build number via the admin console:
#   Admin > About > Build Number
# Expected fixed builds:
#   11.3.2406.08 (current release track)
#   11.3.2400.15 (LTS track)