CVE-2021-21445 : What You Need to Know

SAP Commerce Cloud, versions 1808, 1811, 1905, 2005, and 2011 are vulnerable to an exploit that allows an authenticated attacker to manipulate the HTTP response Header. This could result in severe attacks like cross-site scripting and page hijacking.

Understanding CVE-2021-21445

This section will provide insights into the nature and impact of the CVE-2021-21445 vulnerability.

What is CVE-2021-21445?

CVE-2021-21445 affects SAP Commerce Cloud versions 1808, 1811, 1905, 2005, and 2011, enabling an authenticated attacker to manipulate the HTTP response Header. This vulnerability arises from improper input validation.

The Impact of CVE-2021-21445

Successful exploitation of this vulnerability could lead to more sophisticated attacks, including cross-site scripting (XSS) and page hijacking, posing a significant risk to the affected systems.

Technical Details of CVE-2021-21445

In this section, we will delve into the technical specifics of CVE-2021-21445.

Vulnerability Description

The vulnerability in SAP Commerce Cloud allows an authenticated attacker to include invalidated data in the HTTP response Content Type header.

Affected Systems and Versions

SAP Commerce Cloud versions 1808, 1811, 1905, 2005, and 2011 are impacted by CVE-2021-21445.

Exploitation Mechanism

Improper input validation in the HTTP response Content Type header enables an attacker to manipulate the header, potentially leading to advanced attacks.

Mitigation and Prevention

This section focuses on steps to mitigate and prevent the exploitation of CVE-2021-21445.

Immediate Steps to Take

SAP recommends implementing the necessary patches provided by the vendor to address this vulnerability.
Organizations should closely monitor and restrict user access to mitigate risks.

Long-Term Security Practices

Regularly update and patch SAP Commerce Cloud to the latest versions to ensure the security of the system.
Conduct security awareness training for users to recognize and report suspicious activities.

Patching and Updates

Keep track of security advisories from SAP SE and promptly apply patches and updates to eliminate vulnerabilities and enhance system security.