CVE-2021-34588 : Security Advisory and Response
Discover details of CVE-2021-34588 affecting Bender/ebee Charge Controllers. Learn about the vulnerability, impact, affected systems, and mitigation steps to safeguard your systems.
A vulnerability has been identified in Bender/ebee Charge Controllers that allows for unprotected data export, potentially leading to a high impact on confidentiality.
Understanding CVE-2021-20657
This CVE affects multiple versions of Bender/ebee Charge Controllers, posing a significant risk to the security of affected systems.
What is CVE-2021-20657?
The vulnerability in Bender Charge Controllers allows for unprotected data export, with the backup export being protected via a random key that is set at user login but becomes empty after reboot.
The Impact of CVE-2021-20657
The impact of CVE-2021-20657 is rated as HIGH with a base severity score of 8.6. It has a high confidentiality impact and can be exploited with low attack complexity over a network.
Technical Details of CVE-2021-20657
This section provides in-depth technical details of the vulnerability.
Vulnerability Description
The vulnerability allows for unprotected data export in Bender/ebee Charge Controllers, making sensitive information vulnerable to unauthorized access.
Affected Systems and Versions
The affected products include CC612, CC613, ICC15xx, and ICC16xx with specific versions detailed in the container information.
Exploitation Mechanism
The vulnerability can be exploited with a low attack complexity over a network without the need for any user interaction, impacting confidentiality significantly.
Mitigation and Prevention
To address CVE-2021-20657, immediate steps should be taken to secure the affected systems and prevent potential exploitation.
Immediate Steps to Take
It is recommended to apply security patches provided by the vendor and implement relevant security configurations to mitigate the risk of data exposure.
Long-Term Security Practices
In the long term, organizations should establish robust security practices, including regular security assessments, user training, and monitoring for any unusual data exports.
Patching and Updates
Regularly check for security updates from Bender/ebee and apply them promptly to ensure the protection of the systems against known vulnerabilities.