CVE-2023-33383 : Security Advisory and Response
Discover the impact and mitigation strategies for CVE-2023-33383, a vulnerability in Shelly 4PM Pro four-channel smart switch allowing unauthorized access and device reload.
A detailed overview of CVE-2023-33383 highlighting the vulnerability in Shelly 4PM Pro four-channel smart switches.
Understanding CVE-2023-33383
In this section, we will delve into the specifics of CVE-2023-33383.
What is CVE-2023-33383?
The CVE-2023-33383 vulnerability pertains to Shelly 4PM Pro four-channel smart switch version 0.11.0, which allows an attacker to trigger a BLE out of bounds read fault condition, leading to a device reload.
The Impact of CVE-2023-33383
The exploitation of this vulnerability can result in unauthorized access and potential disruption of service, posing a significant security risk to affected systems.
Technical Details of CVE-2023-33383
This section provides a deeper look into the technical aspects of CVE-2023-33383.
Vulnerability Description
The vulnerability in Shelly 4PM Pro version 0.11.0 enables threat actors to exploit a BLE out of bounds read fault condition, ultimately causing the device to reload.
Affected Systems and Versions
The issue impacts Shelly 4PM Pro four-channel smart switch specifically in version 0.11.0, leaving these devices susceptible to exploitation.
Exploitation Mechanism
Attackers can manipulate the BLE out of bounds read fault condition to trigger the device reload, potentially gaining unauthorized access.
Mitigation and Prevention
In this segment, we discuss steps to mitigate the risks associated with CVE-2023-33383.
Immediate Steps to Take
Users are advised to update their Shelly 4PM Pro devices to a secure version, implement network security measures, and restrict external access to mitigate the risk of exploitation.
Long-Term Security Practices
Employing best security practices, such as regular security assessments, network segmentation, and user training, can enhance the overall security posture and prevent similar vulnerabilities.
Patching and Updates
Regularly monitor for security updates from Shelly for patches addressing CVE-2023-33383 to ensure that devices are protected against known vulnerabilities.