CVE-2021-25378 : Security Advisory and Response
Discover details of CVE-2021-25378, a vulnerability in Samsung SmartThings allowing remote denial of service. Learn impact, affected versions, and mitigation steps.
A vulnerability has been identified in SmartThings by Samsung Mobile, allowing remote temporary denial of service due to improper access control of a certain port in versions prior to 1.7.63.6. Here's everything you need to know about CVE-2021-25378.
Understanding CVE-2021-25378
This section will cover the details of the CVE-2021-25378 vulnerability.
What is CVE-2021-25378?
The CVE-2021-25378 vulnerability involves improper access control of a specific port in SmartThings devices manufactured by Samsung Mobile, before version 1.7.63.6. This flaw enables attackers to remotely trigger a temporary denial of service.
The Impact of CVE-2021-25378
The impact of CVE-2021-25378 is rated as medium severity with a CVSS base score of 4.3. Although the confidentiality and integrity of the system remain unaffected, the vulnerability allows for a temporary denial of service.
Technical Details of CVE-2021-25378
Let's delve into the technical aspects of CVE-2021-25378.
Vulnerability Description
The vulnerability stems from improper access control of a particular port in SmartThings devices, present in versions earlier than 1.7.63.6. This allows threat actors to disrupt services remotely.
Affected Systems and Versions
The vulnerability affects SmartThings products by Samsung Mobile with versions less than 1.7.63.6. Devices running these versions are susceptible to the exploit.
Exploitation Mechanism
Attackers can exploit this vulnerability by leveraging an adjacent network and sending malicious requests to the affected port, causing a temporary denial of service.
Mitigation and Prevention
In order to safeguard your systems from CVE-2021-25378, certain steps need to be taken.
Immediate Steps to Take
It is recommended to update the SmartThings devices to version 1.7.63.6 or above to mitigate the vulnerability. Additionally, network monitoring and access control mechanisms can help in detecting and preventing unauthorized access.
Long-Term Security Practices
To enhance overall security posture, organizations should regularly review and update their devices and implement security best practices such as network segmentation and regular security audits.
Patching and Updates
Stay informed about security updates released by Samsung Mobile for SmartThings devices. Timely patching of vulnerabilities is crucial in preventing potential exploitation.