CVE-2020-13957 : Vulnerability Insights and Analysis

Apache Solr versions 6.6.0 to 6.6.6, 7.0.0 to 7.7.3, and 8.0.0 to 8.6.2 are affected by a vulnerability that allows circumvention of security checks, potentially leading to remote code execution.

Understanding CVE-2020-13957

This CVE involves Apache Solr versions 6.6.0 to 6.6.6, 7.0.0 to 7.7.3, and 8.0.0 to 8.6.2, where certain dangerous features can be configured in a ConfigSet uploaded via API without proper authentication/authorization.

What is CVE-2020-13957?

Apache Solr versions 6.6.0 to 6.6.6, 7.0.0 to 7.7.3, and 8.0.0 to 8.6.2 are affected
Allows circumvention of security checks
Risk of remote code execution

The Impact of CVE-2020-13957

Potential for remote code execution due to security check circumvention

Technical Details of CVE-2020-13957

Apache Solr is affected by a vulnerability that allows dangerous features to be configured without proper authentication/authorization.

Vulnerability Description

Certain dangerous features can be configured without authentication/authorization
Security checks can be bypassed using UPLOAD/CREATE actions

Affected Systems and Versions

Apache Solr versions 6.6.0 to 6.6.6
Apache Solr versions 7.0.0 to 7.7.3
Apache Solr versions 8.0.0 to 8.6.2

Exploitation Mechanism

Circumvention of security checks by using UPLOAD/CREATE actions

Mitigation and Prevention

To address CVE-2020-13957, follow these steps:

Immediate Steps to Take

Apply the necessary patches provided by Apache
Implement proper authentication and authorization mechanisms
Monitor for any unauthorized ConfigSet uploads

Long-Term Security Practices

Regularly update and patch Apache Solr installations
Conduct security audits and assessments periodically
Educate users on secure configuration practices

Patching and Updates

Stay informed about security updates from Apache
Apply patches promptly to mitigate the risk of exploitation