CVE-2021-23846 Explained : Impact and Mitigation
Learn about CVE-2021-23846, affecting Bosch B426 Firmware versions, enabling user password disclosure over HTTP. Explore its impact, affected systems, and mitigation steps.
A vulnerability, identified as CVE-2021-23846, in Bosch B426 Firmware versions allows for user password disclosure when transmitted over HTTP. Here's what you need to know.
Understanding CVE-2021-23846:
The CVE-2021-23846 vulnerability pertains to the transmission of user passwords as clear text parameters over HTTP.
What is CVE-2021-23846?
The issue in B426 Firmware versions exposes user passwords to potential interception by attackers through Man-in-the-Middle attacks.
The Impact of CVE-2021-23846
The vulnerability poses a high risk, with a base severity score of 8.8 (High), affecting confidentiality, integrity, and availability.
Technical Details of CVE-2021-23846
The following technical aspects describe CVE-2021-23846 in detail.
Vulnerability Description
When user passwords are transmitted over HTTP, they are exposed as clear text, making them susceptible to interception by attackers.
Affected Systems and Versions
Bosch B426 Firmware versions 03.01.0004, 03.02.002, 03.05.0003, and 03.03.0009 are affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability through Man-in-the-Middle (MITM) attacks to intercept user passwords transmitted over HTTP.
Mitigation and Prevention
Understanding how to mitigate and prevent the CVE-2021-23846 vulnerability is crucial.
Immediate Steps to Take
Users should avoid transmitting passwords over HTTP and update to Firmware version 3.11.5 or higher when available.
Long-Term Security Practices
Implement secure password transmission protocols and regularly update firmware to prevent similar vulnerabilities.
Patching and Updates
Bosch is addressing the vulnerability in Firmware version 3.11.5, set to release on June 30, 2021.