CVE-2020-17383 : Security Advisory and Response
Learn about CVE-2020-17383, a critical directory traversal vulnerability on Telos Z/IP One devices up to version 4.0.0r, allowing unauthorized access to sensitive data and root-level control.
A directory traversal vulnerability on Telos Z/IP One devices through 4.0.0r grants an unauthenticated individual root level access to the device's file system. This can be used to identify configuration settings, password hashes for built-in accounts, and the cleartext password for remote configuration of the device through the WebUI.
Understanding CVE-2020-17383
This CVE identifies a critical security issue on Telos Z/IP One devices that allows unauthorized access to sensitive information.
What is CVE-2020-17383?
The vulnerability in Telos Z/IP One devices up to version 4.0.0r enables attackers to gain root-level access without authentication, compromising the device's file system and exposing critical data.
The Impact of CVE-2020-17383
The exploitation of this vulnerability can lead to severe consequences:
- Unauthorized access to configuration settings
- Exposure of password hashes for built-in accounts
- Disclosure of cleartext passwords for remote device configuration via WebUI
Technical Details of CVE-2020-17383
Telos Z/IP One devices are affected by a specific vulnerability that allows unauthorized access and data exposure.
Vulnerability Description
The directory traversal vulnerability in Telos Z/IP One devices through version 4.0.0r permits unauthenticated users to gain root access to the device's file system, compromising sensitive data.
Affected Systems and Versions
- Product: Telos Z/IP One
- Vendor: Telos Alliance
- Versions affected: Up to 4.0.0r
Exploitation Mechanism
Attackers can exploit this vulnerability to access critical information on the device without proper authentication, potentially leading to unauthorized system control and data theft.
Mitigation and Prevention
It is crucial to take immediate action to secure Telos Z/IP One devices and prevent unauthorized access.
Immediate Steps to Take
- Implement access controls and authentication mechanisms
- Monitor device logs for suspicious activities
- Apply security patches and updates promptly
Long-Term Security Practices
- Regularly update device firmware and software
- Conduct security assessments and penetration testing
- Educate users on secure configuration practices
Patching and Updates
- Check for and apply the latest security patches from Telos Alliance
- Stay informed about security advisories and updates from the vendor