CVE-2017-7916 Explained : Impact and Mitigation
Learn about CVE-2017-7916 affecting ABB VSN300 WiFi Logger Card versions 1.8.15 and earlier. Find out how unauthorized users can access restricted configuration information and steps to mitigate the vulnerability.
An issue related to Permissions, Privileges, and Access Controls has been identified in versions 1.8.15 and earlier of the ABB VSN300 WiFi Logger Card, as well as in versions 2.1.3 and earlier of the React-enabled VSN300 WiFi Logger Card. The web application fails to adequately limit the privileges of the Guest account, potentially allowing unauthorized users to obtain access to restricted configuration information.
Understanding CVE-2017-7916
This CVE involves a Permissions, Privileges, and Access Controls vulnerability in specific versions of the ABB VSN300 WiFi Logger Card.
What is CVE-2017-7916?
CVE-2017-7916 is a vulnerability found in the ABB VSN300 WiFi Logger Card, affecting certain versions of the device. It allows unauthorized users to access restricted configuration information due to inadequate privilege restrictions on the Guest account.
The Impact of CVE-2017-7916
The vulnerability could lead to unauthorized access to sensitive configuration data, potentially compromising the security and confidentiality of the affected systems.
Technical Details of CVE-2017-7916
This section provides more in-depth technical information about the CVE.
Vulnerability Description
The issue lies in the web application's failure to properly limit the privileges of the Guest account, enabling unauthorized users to access restricted configuration details.
Affected Systems and Versions
- ABB VSN300 WiFi Logger Card versions 1.8.15 and earlier
- React-enabled VSN300 WiFi Logger Card versions 2.1.3 and earlier
Exploitation Mechanism
Unauthorized users can exploit this vulnerability by leveraging the inadequate privilege restrictions on the Guest account to gain access to restricted configuration information.
Mitigation and Prevention
Protecting systems from CVE-2017-7916 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update the affected devices to the latest patched versions provided by the vendor
- Restrict network access to the vulnerable devices
- Monitor for any unauthorized access attempts
Long-Term Security Practices
- Regularly update and patch all software and firmware on the devices
- Implement strong access control mechanisms and user privilege management
Patching and Updates
- Apply patches and updates released by ABB for the VSN300 WiFi Logger Card to address the vulnerability