CVE-2020-6769 : Exploit Details and Defense Strategies

A vulnerability in Bosch Video Streaming Gateway (VSG) allows unauthenticated remote attackers to access and modify critical configuration data, potentially compromising the confidentiality and availability of live and recorded video streams.

Understanding CVE-2020-6769

This CVE identifies a critical security flaw in Bosch Video Streaming Gateway that can have severe implications on video surveillance systems.

What is CVE-2020-6769?

The vulnerability involves a lack of authentication for critical functions in the Bosch Video Streaming Gateway, enabling unauthorized access to sensitive configuration data.

The Impact of CVE-2020-6769

Attackers can retrieve and manipulate configuration settings of the Video Streaming Gateway, affecting the confidentiality and availability of camera feeds and recorded videos.
Systems running affected versions are at risk of unauthorized access and potential data breaches.

Technical Details of CVE-2020-6769

This section delves into the specific technical aspects of the vulnerability.

Vulnerability Description

The vulnerability allows unauthenticated remote attackers to access and modify critical configuration data of the Video Streaming Gateway.

Affected Systems and Versions

Bosch Video Streaming Gateway versions 6.45 <= 6.45.08, 6.44 <= 6.44.0030, 6.43 <= 6.43.0023, and 6.42.10 and older are impacted.
Bosch DIVAR IP 2000 <= 3.62.0019 and DIVAR IP 5000 <= 3.80.0039 are vulnerable if port 8023 is open in the device's firewall.
Bosch DIVAR IP 3000, DIVAR IP 7000, and DIVAR IP all-in-one 5000 are affected if a vulnerable VSG version is installed with BVMS.

Exploitation Mechanism

The vulnerability can be exploited by unauthenticated remote attackers over the network to gain unauthorized access to critical configuration data.

Mitigation and Prevention

Protecting systems from CVE-2020-6769 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update affected Bosch products to the latest firmware versions that address the vulnerability.
Close port 8023 on the device's firewall to prevent unauthorized access.

Long-Term Security Practices

Implement strong authentication mechanisms for all critical functions in the Video Streaming Gateway.
Regularly monitor and audit access to configuration data to detect any unauthorized activities.

Patching and Updates

Stay informed about security advisories from Bosch and apply patches promptly to mitigate known vulnerabilities.