CVE-2017-20021 Explained : Impact and Mitigation

A critical vulnerability has been discovered in Solare Solar-Log 2.8.4-56/3.5.2-85, affecting the File Upload component and potentially leading to privilege escalation. Upgrading to version 3.5.3-86 is recommended to address this issue.

Understanding CVE-2017-20021

This CVE involves a critical vulnerability in Solare Solar-Log versions 2.8.4-56 and 3.5.2-85, impacting the File Upload component.

What is CVE-2017-20021?

The vulnerability allows for privilege escalation through an unspecified area of the File Upload component.
It can be exploited remotely, posing a significant security risk.

The Impact of CVE-2017-20021

Exploiting this vulnerability could result in privilege escalation, potentially granting unauthorized access.
The CVSS base score is 6.5, indicating a medium severity level.

Technical Details of CVE-2017-20021

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The vulnerability is classified as critical and affects an unknown part of the File Upload component.
Privilege escalation is possible through manipulation of the component.

Affected Systems and Versions

Product: Solar-Log
Vendor: Solare
Versions: 2.8.4-56, 3.5.2-85

Exploitation Mechanism

The attack vector is through the network with low complexity and no user interaction required.

Mitigation and Prevention

To address CVE-2017-20021 and enhance security, follow these mitigation steps:

Immediate Steps to Take

Upgrade the affected Solar-Log component to version 3.5.3-86.
Implement network security measures to prevent remote exploitation.

Long-Term Security Practices

Regularly update software and components to the latest versions.
Conduct security assessments and audits to identify and address vulnerabilities.

Patching and Updates

Stay informed about security patches and updates released by the vendor.