1. Introduction
ManageEngine EventLog Analyzer uses a default set of known credentials for its web administration interface. This means anyone knowing these details can log in and control the system. This affects confidentiality, integrity, and availability as an attacker could view logs, change settings, or disrupt service. Systems running ManageEngine EventLog Analyzer are usually affected.
2. Technical Explanation
The remote ManageEngine EventLog Analyzer web administration interface uses a known set of default credentials. This allows attackers to gain unauthorized access without needing valid user accounts. An attacker could use these credentials to remotely administer the system.
- Root cause: The application ships with, and allows use of, default ‘admin’ login credentials.
- Exploit mechanism: An attacker attempts to log in to the web interface using the default username (‘admin’) and password (typically ‘admin’). If successful, they gain full administrative access.
- Scope: ManageEngine EventLog Analyzer is affected.
3. Detection and Assessment
You can confirm if a system is vulnerable by checking for the use of default credentials. First, try logging in with the default username and password. A thorough method involves reviewing the application’s configuration files for hardcoded or easily guessable passwords.
- Quick checks: Attempt to log in to the web interface using ‘admin’ as both the username and password.
- Scanning: Nessus plugin ID 10428 is an example of a scanner that can detect this vulnerability.
- Logs and evidence: Check application logs for successful logins with the ‘admin’ account.
4. Solution / Remediation Steps
4.1 Preparation
- Dependencies: No services need to be stopped, but it is recommended to perform this during off-peak hours. A roll back plan involves restoring from the previous backup if issues occur.
- Change window: This change requires a short maintenance window. Approval may be needed by system owners.
4.2 Implementation
- Step 1: Log in to the EventLog Analyzer web interface using the default credentials (‘admin’ / ‘admin’).
- Step 2: Navigate to Admin > User Management.
- Step 3: Change the password for the ‘admin’ user account to a strong, unique password.
- Step 4: Log out of the web interface and log back in using the new credentials to verify the change.
4.3 Config or Code Example
Before
Default username: admin
Default password: admin
After
Username: admin
Password: ********* (strong, unique password)
4.4 Security Practices Relevant to This Vulnerability
List only practices that directly address this vulnerability type. Use neutral wording and examples instead of fixed advice. For example: least privilege, input validation, safe defaults, secure headers, patch cadence. If a practice does not apply, do not include it.
- Practice 1: Safe Defaults – Avoid shipping products with default credentials or use strong, randomly generated passwords that are forced to be changed on first login.
- Practice 2: Account Management – Implement strong password policies and regularly review user accounts for unnecessary privileges.
4.5 Automation (Optional)
# No automation script available due to web interface requirement for password change.
5. Verification / Validation
- Post-fix check: Attempt to log in using ‘admin’ / ‘admin’. Expected output: Login failed.
- Re-test: Repeat the quick check from Section 3, which should now fail.
- Monitoring: Monitor application logs for login attempts with default credentials as an indicator of compromise.
# No specific command available, login attempt via web browser is sufficient. Expected result: Login failure.
6. Preventive Measures and Monitoring
Suggest only measures that are relevant to the vulnerability type. Use “for example” to keep advice conditional, not prescriptive.
- Baselines: Update security baselines or policies to require strong passwords and regular password changes for all accounts.
- Asset and patch process: Establish a regular review cycle for system configurations to ensure compliance with security policies.
7. Risks, Side Effects, and Roll Back
- Roll back: Restore the EventLog Analyzer system from the backup taken in Step 4.1 if issues occur.
8. References and Resources
- Vendor advisory or bulletin: https://www.manageengine.com/products/eventlog/security-updates.html
- NVD or CVE entry: No specific CVE listed for this default credential issue, but similar issues are documented on NVD.
- Product or platform documentation relevant to the fix: https://www.manageengine.com/products/eventlog/help/admin-user-management.html