CVE-2021-23862 : Vulnerability Insights and Analysis

A crafted configuration packet sent by an authenticated administrative user can be used to execute arbitrary commands in system context. This vulnerability affects installations of BVMS, DIVAR IP, VRM, and VIDEOJET decoder.

Understanding CVE-2021-23862

This CVE involves an authenticated remote code execution vulnerability that could allow an attacker to run arbitrary commands in the system context.

What is CVE-2021-23862?

CVE-2021-23862 is a high-severity vulnerability that arises from a flaw in handling crafted configuration packets, enabling remote code execution by an authenticated admin user.

The Impact of CVE-2021-23862

The impact of this vulnerability is rated as high, with significant implications for confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2021-23862

This section provides insight into the vulnerability description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

A crafted configuration packet sent by an authenticated administrative user can execute arbitrary commands in system context.

Affected Systems and Versions

BVMS: Versions less than or equal to 9.0.0, less than 11.0.0, and less than 10.0.2 are affected.
DIVAR IP 7000 R2: All versions are affected.
DIVAR IP all-in-one 5000: All versions are affected.
DIVAR IP all-in-one 7000: All versions are affected.
VRM: Versions less than or equal to 3.81, 4.00.0070, 3.83.0021, and 3.82.0057 are affected.
VJD-8000: Version less than or equal to 10.01.0036 is affected.
VJD-7513: Version less than or equal to 10.22.0038 is affected.

Exploitation Mechanism

Attack complexity is low, requiring network access and high privileges. User interaction is not needed for exploitation, making it a critical security concern.

Mitigation and Prevention

To safeguard against CVE-2021-23862, immediate actions, and long-term security practices are recommended.

Immediate Steps to Take

Apply vendor-released patches promptly.
Implement network segmentation to limit system exposure.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update and patch all software and systems.
Conduct security training for employees on best practices.
Employ intrusion detection systems for early threat detection.

Patching and Updates

Stay informed about security advisories from Bosch and promptly apply patches to eliminate the vulnerability.