CVE-2021-23845 : What You Need to Know
Discover details about CVE-2021-23845 impacting Bosch B426, B426-CN/B429- CN, and B426-M Firmware. Learn about the vulnerability, its impact, and mitigation steps to enhance security.
This CVE-2021-23845 article provides insights into the B426 Web Configuration Authentication Bypass vulnerability discovered in Bosch products.
Understanding CVE-2021-23845
This section delves into the details of the CVE-2021-23845 vulnerability impacting Bosch devices.
What is CVE-2021-23845?
CVE-2021-23845 is an authentication bypass flaw in the web configuration of Bosch's B426, B426-CN/B429- CN, and B426-M firmware versions prior to specified releases.
The Impact of CVE-2021-23845
The vulnerability poses a high severity risk, allowing attackers to hijack sessions while users are logged into the affected configuration web page, compromising confidentiality and integrity.
Technical Details of CVE-2021-23845
Explore the technical aspects and implications of the CVE-2021-23845 vulnerability.
Vulnerability Description
The CVE-2021-23845 vulnerability involves improper access control, enabling malicious actors to exploit session hijacking within the web configuration.
Affected Systems and Versions
Bosch B426 Firmware versions less than 03.08, B426-CN/B429- CN Firmware versions less than 03.08, and B426-M Firmware versions less than 03.10 are affected by this security flaw.
Exploitation Mechanism
The vulnerability is rated with a CVSS base score of 8.0 (High), with attackers requiring low privileges and user interaction to exploit the flaw through a network-based attack.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2021-23845 and prevent potential security breaches.
Immediate Steps to Take
Users are advised to update affected Bosch devices to version 3.08 onwards to mitigate the vulnerability and enhance security posture.
Long-Term Security Practices
Implementing strong access controls, regular security updates, and network monitoring can help prevent unauthorized access and protect against similar vulnerabilities.
Patching and Updates
Regularly check for firmware updates and security advisories from Bosch to ensure devices are running the latest, most secure versions.