CVE-2017-7918 : Security Advisory and Response
Learn about CVE-2017-7918, an Improper Access Control issue in Cambium Networks ePMP, allowing unauthorized access to sensitive data and configuration modifications. Find mitigation steps and prevention measures here.
A vulnerability related to inadequate access control was found in Cambium Networks ePMP, potentially allowing unauthorized access to sensitive data and configuration modifications.
Understanding CVE-2017-7918
This CVE involves an Improper Access Control issue in Cambium Networks ePMP, enabling unauthorized parties to exploit specific MIBs for device configuration backups.
What is CVE-2017-7918?
The vulnerability in Cambium Networks ePMP allows unauthorized access to device configuration backups after a legitimate user has utilized the SNMP configuration export function.
The Impact of CVE-2017-7918
The vulnerability could lead to unauthorized access to sensitive data and unauthorized configuration modifications on affected devices.
Technical Details of CVE-2017-7918
This section provides more technical insights into the vulnerability.
Vulnerability Description
The issue in Cambium Networks ePMP allows unauthorized parties to remotely trigger device configuration backups using specific MIBs, lacking proper access control.
Affected Systems and Versions
- Product: Cambium Networks ePMP
- Version: Cambium Networks ePMP
Exploitation Mechanism
Unauthorized third parties can exploit specific MIBs to remotely initiate device configuration backups, potentially gaining access to sensitive data and enabling unauthorized configuration modifications.
Mitigation and Prevention
Protecting systems from CVE-2017-7918 is crucial to maintaining security.
Immediate Steps to Take
- Implement access control mechanisms to restrict unauthorized access to device configurations.
- Regularly monitor and audit SNMP activities to detect any suspicious behavior.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
- Keep systems and devices up to date with the latest security patches and firmware updates.
Patching and Updates
Ensure that Cambium Networks ePMP devices are updated with the latest firmware patches to mitigate the vulnerability.