CVE-2021-23843 : Security Advisory and Response

A vulnerability has been identified in Bosch software tools AccessIPConfig.exe and AmcIpConfig.exe, allowing unauthorized access to and manipulation of device configurations.

Understanding CVE-2021-23843

This CVE-2021-23843 relates to a lack of authentication mechanisms on Bosch devices, potentially leading to unauthorized access and configuration changes.

What is CVE-2021-23843?

The Bosch software tools AccessIPConfig.exe and AmcIpConfig.exe, used for configuring AMC2 devices, lack proper authentication mechanisms. Attackers could exploit this vulnerability to modify device configurations without authorization.

The Impact of CVE-2021-23843

With a CVSS base score of 8.8, this high-severity vulnerability can have a significant impact on confidentiality, integrity, and availability. Attackers can manipulate device configurations, rendering them unresponsive on the local network.

Technical Details of CVE-2021-23843

This section provides insights into the vulnerability's description, affected systems, and the exploitation mechanism.

Vulnerability Description

The lack of authentication mechanisms in Bosch software tools allows attackers to bypass device protection and make unauthorized changes to configuration data, impacting device integrity and confidentiality.

Affected Systems and Versions

Multiple Bosch products, including AMS, APE, BIS, and AMC2, are affected by this vulnerability, with specific versions susceptible to unauthorized access and configuration manipulation.

Exploitation Mechanism

Attackers need access to the local network to exploit this vulnerability, typically requiring access to the same subnet as the targeted device.

Mitigation and Prevention

To address CVE-2021-23843, immediate steps can be taken to enhance security and prevent unauthorized access to device configurations.

Immediate Steps to Take

Organizations can implement network segmentation, strong password policies, and access controls to restrict unauthorized access and mitigate the risk of configuration tampering.

Long-Term Security Practices

Establishing robust authentication mechanisms, conducting regular security audits, and staying informed about security advisories can help prevent similar vulnerabilities in the future.

Patching and Updates

Bosch recommends users apply the necessary patches and updates to mitigate the vulnerability. Stay informed about security best practices and promptly install updates to enhance device security.