CVE-2020-6972 : Vulnerability Insights and Analysis
Learn about CVE-2020-6972, an authentication bypass vulnerability in Notifier Web Server (NWS) Version 3.50 and earlier by Honeywell. Find out the impact, affected systems, exploitation method, and mitigation steps.
In Notifier Web Server (NWS) Version 3.50 and earlier, the Honeywell Fire Web Server's authentication may be bypassed by a capture-replay attack from a web browser.
Understanding CVE-2020-6972
In this CVE, an authentication bypass vulnerability is present in the Notifier Web Server (NWS) Version 3.50 and earlier, manufactured by Honeywell.
What is CVE-2020-6972?
The vulnerability allows attackers to bypass authentication using a capture-replay attack on the Honeywell Fire Web Server.
The Impact of CVE-2020-6972
This vulnerability could lead to unauthorized access to the affected system, compromising its security and potentially allowing malicious actors to manipulate sensitive information.
Technical Details of CVE-2020-6972
The following technical details provide insight into the vulnerability and its implications.
Vulnerability Description
The issue lies in the authentication mechanism of the Notifier Web Server (NWS) Version 3.50 and earlier, enabling unauthorized access through a capture-replay attack.
Affected Systems and Versions
- Product: Notifier Web Server (NWS) Version 3.50 and earlier
- Vendor: Honeywell
Exploitation Mechanism
Attackers can exploit this vulnerability by executing a capture-replay attack from a web browser, circumventing the authentication process.
Mitigation and Prevention
To address CVE-2020-6972 and enhance system security, consider the following mitigation strategies.
Immediate Steps to Take
- Update to a patched version that addresses the authentication bypass vulnerability.
- Implement network segmentation to limit access to critical systems.
- Monitor network traffic for any suspicious activity that may indicate an ongoing attack.
Long-Term Security Practices
- Regularly review and update security configurations to prevent similar vulnerabilities.
- Conduct security training for personnel to raise awareness of social engineering and phishing attacks.
Patching and Updates
- Apply security patches provided by Honeywell promptly to mitigate the vulnerability and enhance system security.