CVE-2020-7820 : What You Need to Know

Nexacro14/17 ExtCommonApiV13 Library under 2019.9.6 version contains a vulnerability that could allow a remote attacker to execute arbitrary code by setting the arguments to the vulnerable API. This can be leveraged for code execution by rebooting the victim's PC.

Understanding CVE-2020-7820

Tobesoft NEXACRO14/17 ExCommonApiV13 Arbitrary Code Execution Vulnerability

What is CVE-2020-7820?

This CVE refers to a vulnerability in the Nexacro14/17 ExtCommonApiV13 Library version 2019.9.6 that enables a remote attacker to execute arbitrary code through manipulation of API arguments.

The Impact of CVE-2020-7820

The vulnerability has a CVSS base score of 7.8, indicating a high severity level with significant impacts on confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2020-7820

Vulnerability Description

Vulnerability Type: Improper Input Validation (CWE-20)
Attack Vector: Local
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Scope: Unchanged

Affected Systems and Versions

Product: NEXACRO14/17 ExCommonApiV13
Vendor: Tobesoft
Platforms: Windows OS
Vulnerable Version: 2019.9.6

Exploitation Mechanism

The vulnerability allows a remote attacker to execute arbitrary code by manipulating the arguments passed to the vulnerable API, potentially leading to unauthorized code execution.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Tobesoft promptly.
Implement network segmentation to limit the impact of potential attacks.
Monitor and restrict external access to vulnerable systems.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Educate users on safe computing practices and awareness of social engineering tactics.

Patching and Updates

Stay informed about security updates and advisories from Tobesoft.