CVE-2021-27604 : Exploit Details and Defense Strategies

A detailed overview of CVE-2021-27604, a vulnerability in SAP Process Integration (Enterprise Service Repository JAVA Mappings) affecting various versions.

Understanding CVE-2021-27604

This CVE highlights an XML External Entity vulnerability in SAP NetWeaver ABAP Server and ABAP Platform, specifically impacting versions 7.10, 7.20, 7.30, 7.31, 7.40, and 7.50 of SAP Process Integration.

What is CVE-2021-27604?

SAP Process Integration (Enterprise Service Repository JAVA Mappings) is susceptible to an XML External Entity vulnerability, which if exploited, could lead to high confidentiality impact.

The Impact of CVE-2021-27604

The vulnerability poses a high severity threat with a CVSS base score of 7.7, potentially allowing attackers to access sensitive information.

Technical Details of CVE-2021-27604

Dive deeper into the technical aspects of this vulnerability to understand its implications.

Vulnerability Description

The CVE involves an XML External Entity (CWE-611) issue that affects the specified versions of SAP Process Integration.

Affected Systems and Versions

SAP Process Integration versions < 7.10 to < 7.50 are at risk, emphasizing the importance of prompt mitigation measures.

Exploitation Mechanism

Exploiting this vulnerability could result in high confidentiality impact, with low complexity and network-based attack vectors.

Mitigation and Prevention

Discover the necessary steps to safeguard your systems against CVE-2021-27604 and prevent potential exploitation.

Immediate Steps to Take

Users are advised to refer to the provided SAP note for mitigation guidance and immediate action steps.

Long-Term Security Practices

Implement robust security practices to enhance resilience against XML External Entity vulnerabilities and similar threats.

Patching and Updates

Ensure timely installation of patches and updates released by SAP to address the CVE-2021-27604 vulnerability.