1. Introduction
Cisco Energy Management Web Detection indicates that the web interface for Cisco Energy Management, a power management solution, has been detected on your network. This is important because an exposed web interface could allow attackers to gain access to sensitive information about your IT infrastructure and potentially disrupt power management services. Systems typically affected are those running Cisco’s energy management software. A successful exploit could lead to confidentiality, integrity, and availability compromise of the managed devices.
2. Technical Explanation
The vulnerability stems from the presence of a web interface on the Cisco Energy Management solution. This interface allows remote administration of power management features but may be exposed without adequate security controls. An attacker could potentially exploit this by gaining unauthorized access to the web interface and manipulating power settings or extracting sensitive data. There is no specific CVE associated with simply detecting the interface, however, vulnerabilities within the software itself are often reported separately. For example, an attacker might attempt to use default credentials or known exploits to gain control of the system.
- Root cause: The web interface for Cisco Energy Management is accessible remotely without sufficient authentication or authorization controls.
- Exploit mechanism: An attacker could access the web interface via a browser and attempt to log in using default credentials, exploit known vulnerabilities within the software, or perform brute-force attacks.
- Scope: Affected platforms are those running Cisco Energy Management software. Specific versions depend on your installation.
3. Detection and Assessment
To confirm whether a system is vulnerable, first check for the presence of the web interface. Then, verify its version to identify potential known vulnerabilities.
- Quick checks: Use a web browser to access systems that are expected to be running Cisco Energy Management software. If a login page appears, it indicates the interface is present.
- Scanning: Nessus plugin ID 168794 can detect the presence of Cisco Energy Management Web Detection. This should be used as an example only.
- Logs and evidence: Check web server logs for access attempts to the default port (typically 80 or 443) associated with the interface.
# Example command placeholder:
# Use nmap to scan for open ports on potential Cisco Energy Management systems
# nmap -p 80,443
4. Solution / Remediation Steps
The following steps outline how to remediate the detection of the Cisco Energy Management Web Detection.
4.1 Preparation
- Services: No services need to be stopped for this remediation.
4.2 Implementation
- Step 1: Review network segmentation to ensure that access to Cisco Energy Management is restricted to authorized users and systems only.
- Step 2: Change the default credentials for the web interface immediately. Use strong, unique passwords.
- Step 3: Disable remote access to the web interface if it’s not required for legitimate operations.
4.3 Config or Code Example
Before
# Default credentials are used on the web interface.
# This is highly insecure.
After
# Strong, unique passwords have been set for all user accounts.
# Remote access has been disabled if not required.
4.4 Security Practices Relevant to This Vulnerability
Several security practices can help prevent this issue.
- Practice 1: Least privilege – restrict access to the web interface only to authorized personnel.
- Practice 2: Strong passwords – enforce strong, unique passwords for all user accounts.
- Practice 3: Network segmentation – isolate sensitive systems like power management servers from untrusted networks.
4.5 Automation (Optional)
Automation is not directly applicable to this detection as it requires configuration changes within the Cisco Energy Management software.
5. Verification / Validation
Confirm that the fix worked by verifying that default credentials have been changed and remote access has been disabled if appropriate.
- Post-fix check: Attempt to log in to the web interface using default credentials; it should fail.
- Re-test: Re-run the Nessus scan (plugin ID 168794) to confirm that the vulnerability is no longer detected.
- Smoke test: Verify that authorized users can still access and manage power management features through the web interface if remote access has not been disabled.
- Monitoring: Monitor web server logs for any unauthorized access attempts to the Cisco Energy Management interface.
# Post-fix command and expected output
# Attempt login with default credentials via browser - should result in failed login attempt.
6. Preventive Measures and Monitoring
Update security baselines and policies to prevent similar issues.
- Baselines: Update your security baseline or policy to include requirements for strong passwords, network segmentation, and disabling unnecessary remote access.
- Pipelines: Implement regular vulnerability scans as part of your CI/CD pipeline to identify potential vulnerabilities early on.
- Asset and patch process: Establish a sensible patch or configuration review cycle to ensure that systems are kept up-to-date with the latest security fixes.
7. Risks, Side Effects, and Roll Back
Changing default credentials could disrupt legitimate users if not coordinated properly.
- Risk or side effect 1: Disruption of service – changing default credentials without notifying authorized users can cause temporary downtime. Mitigation: Communicate changes in advance and provide clear instructions for updating passwords.
8. References and Resources
Link only to sources that match this exact vulnerability.
- Vendor advisory or bulletin: http://www.nessus.org/u?ec1ddb45