CVE-2021-27598 : Security Advisory and Response

This CVE-2021-27598 affects SAP NetWeaver AS for JAVA (Customer Usage Provisioning Servlet) versions < 7.31, < 7.40, < 7.50. An attacker can read statistical data due to missing authorization check in the servlet.

Understanding CVE-2021-27598

This CVE impacts SAP NetWeaver AS JAVA (Customer Usage Provisioning Servlet) versions < 7.31, < 7.40, < 7.50, allowing unauthorized access to data.

What is CVE-2021-27598?

It is a vulnerability in SAP NetWeaver AS JAVA that permits attackers to retrieve statistical data without proper authorization verification.

The Impact of CVE-2021-27598

The impact includes potential data breaches and unauthorized access to sensitive statistical information within affected systems.

Technical Details of CVE-2021-27598

This section provides in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability in SAP NetWeaver AS JAVA (Customer Usage Provisioning Servlet) allows attackers to view statistical data without appropriate authorization checks.

Affected Systems and Versions

SAP NetWeaver AS for JAVA (Customer Usage Provisioning Servlet) < 7.31
SAP NetWeaver AS for JAVA (Customer Usage Provisioning Servlet) < 7.40
SAP NetWeaver AS for JAVA (Customer Usage Provisioning Servlet) < 7.50

Exploitation Mechanism

Attackers exploit the missing authorization checks in the servlet to gain access to statistical data like product version, traffic, and timestamp.

Mitigation and Prevention

To prevent exploitation of CVE-2021-27598, users must take immediate action and adopt long-term security measures.

Immediate Steps to Take

Ensure that proper authorization checks are in place and monitor for unauthorized access attempts.

Long-Term Security Practices

Regularly update systems, conduct security audits, and educate users on secure data access practices.

Patching and Updates

Apply patches and updates provided by SAP to address the vulnerability and enhance system security.