CVE-2020-7847 : Vulnerability Insights and Analysis

A vulnerability in ipTIME NAS 1.4.36 allows arbitrary file upload, leading to remote code execution.

Understanding CVE-2020-7847

The ipTIME NAS product by EFM Networks is susceptible to an arbitrary file upload vulnerability, potentially resulting in remote code execution.

What is CVE-2020-7847?

The vulnerability in ipTIME NAS 1.4.36 enables attackers to upload files arbitrarily, which can be exploited to execute code remotely.

The Impact of CVE-2020-7847

CVSS Base Score: 7.4 (High Severity)
Attack Vector: Adjacent Network
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Privileges Required: Low
User Interaction: Required
Scope: Unchanged

Technical Details of CVE-2020-7847

The technical aspects of the vulnerability in ipTIME NAS 1.4.36.

Vulnerability Description

The flaw allows for unrestricted file uploads with dangerous types, posing a risk of remote code execution.

Affected Systems and Versions

Affected Product: ipTIME NAS
Vendor: EFM Networks
Affected Version: 1.4.36

Exploitation Mechanism

The vulnerability can be exploited by uploading malicious files through the Manage Bulletins/Upload feature.

Mitigation and Prevention

Measures to address and prevent the CVE-2020-7847 vulnerability.

Immediate Steps to Take

Disable the Manage Bulletins/Upload feature if not essential.
Implement network segmentation to limit access.
Regularly monitor for unauthorized file uploads.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Keep systems and software updated to patch known vulnerabilities.

Patching and Updates

Apply patches or updates provided by EFM Networks to fix the vulnerability.