CVE-2021-27599 : Exploit Details and Defense Strategies

SAP NetWeaver ABAP Server and ABAP Platform (Process Integration - Integration Builder Framework), versions 7.10, 7.30, 7.31, 7.40, 7.50, have a vulnerability that allows an attacker to access sensitive information under specific conditions.

Understanding CVE-2021-27599

This section will cover the details of the CVE-2021-27599 vulnerability, its impact, technical description, affected systems, and mitigation methods.

What is CVE-2021-27599?

The CVE-2021-27599 vulnerability affects SAP Process Integration (Integration Builder Framework) versions < 7.10, 7.30, 7.31, 7.40, and 7.50. It enables unauthorized access to restricted information.

The Impact of CVE-2021-27599

The vulnerability has a CVSS base score of 6.5 (Medium), with high confidentiality impact. An attacker can exploit it via a low attack complexity over the network without user interaction, compromising data confidentiality.

Technical Details of CVE-2021-27599

This section provides a deeper insight into the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

SAP NetWeaver ABAP Server and ABAP Platform vulnerability allows attackers to access information that is typically restricted, leading to data confidentiality breaches.

Affected Systems and Versions

The affected systems are SAP Process Integration (Integration Builder Framework) versions < 7.10, 7.30, 7.31, 7.40, 7.50.

Exploitation Mechanism

The vulnerability can be exploited over the network with low attack complexity, requiring minimal privileges and no user interaction.

Mitigation and Prevention

In this section, we will discuss the immediate steps to secure your systems and long-term security practices.

Immediate Steps to Take

Ensure to apply security patches provided by SAP promptly. Limit network access to vulnerable systems and monitor for any unauthorized access.

Long-Term Security Practices

Regularly update and patch SAP systems. Conduct frequent security audits and implement access controls to mitigate future vulnerabilities.

Patching and Updates

Stay informed about security updates from SAP. Schedule regular maintenance to apply patches and address vulnerabilities promptly.