CVE-2021-27656 Explained : Impact and Mitigation

A vulnerability has been identified in exacqVision Web Service version 20.12.2.0 and prior, allowing an unauthenticated attacker to access system-level information about the service and operating system.

Understanding CVE-2021-27656

This CVE involves an information exposure vulnerability in exacqVision Web Service, which could lead to unauthorized access to sensitive system details.

What is CVE-2021-27656?

The vulnerability in exacqVision Web Service version 20.12.2.0 and earlier permits unauthenticated attackers to view system-level information.

The Impact of CVE-2021-27656

The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 5.3. While it requires no privileges, it could compromise system availability.

Technical Details of CVE-2021-27656

The following technical details outline the specific aspects of CVE-2021-27656:

Vulnerability Description

The vulnerability allows unauthorized access to sensitive system data, posing a risk to confidentiality and integrity.

Affected Systems and Versions

exacqVision Web Service version 20.12.2.0 and earlier are affected by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited by unauthenticated attackers over a network, with low complexity and no user interaction required.

Mitigation and Prevention

To address CVE-2021-27656, consider implementing the following mitigation strategies:

Immediate Steps to Take

Upgrade all instances of exacqVision Web Service to version 21.03.3 or newer to prevent unauthorized access to system information.

Long-Term Security Practices

Employ strict access controls, regular security assessments, and monitor for unauthorized access attempts.

Patching and Updates

Obtain the necessary software updates from the official source to secure your systems against this vulnerability.