CVE-2020-6286 Explained : Impact and Mitigation

A vulnerability in SAP NetWeaver AS JAVA (LM Configuration Wizard) allows unauthenticated attackers to perform path traversal, potentially leading to unauthorized access.

Understanding CVE-2020-6286

This CVE involves insufficient input path validation in the web service of SAP NetWeaver AS JAVA (LM Configuration Wizard), impacting versions 7.30, 7.31, 7.40, and 7.50.

What is CVE-2020-6286?

The vulnerability enables attackers to exploit a method to download zip files to a specific directory through path traversal.

The Impact of CVE-2020-6286

CVSS Base Score: 5.3 (Medium Severity)
Attack Vector: Network
Confidentiality Impact: Low
Integrity Impact: None
Privileges Required: None
Scope: Unchanged
Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Technical Details of CVE-2020-6286

The following technical details outline the vulnerability and its implications:

Vulnerability Description

The vulnerability arises from inadequate input path validation in the SAP NetWeaver AS JAVA (LM Configuration Wizard) web service.

Affected Systems and Versions

SAP NetWeaver AS JAVA (LM Configuration Wizard) versions: 7.30, 7.31, 7.40, 7.50

Exploitation Mechanism

Attackers can exploit this vulnerability to download zip files to a specific directory by manipulating parameters.

Mitigation and Prevention

To address CVE-2020-6286, consider the following mitigation strategies:

Immediate Steps to Take

Apply the latest security patches provided by SAP.
Monitor and restrict network access to vulnerable systems.
Implement strong access controls and authentication mechanisms.

Long-Term Security Practices

Regularly update and patch SAP NetWeaver AS JAVA to prevent vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.

Patching and Updates

Stay informed about security updates and advisories from SAP.
Ensure timely deployment of patches to secure the system against known vulnerabilities.