CVE-2023-24521 Explained : Impact and Mitigation

This CVE record, assigned by SAP, was published on February 14, 2023, and affects SAP NetWeaver AS ABAP (BSP Framework) in multiple versions. The vulnerability allows an unauthenticated user to manipulate a user's current session by injecting malicious code over the network, potentially compromising confidentiality and integrity.

Understanding CVE-2023-24521

This section provides insight into the nature and impact of the CVE-2023-24521 vulnerability in SAP NetWeaver AS ABAP (BSP Framework).

What is CVE-2023-24521?

CVE-2023-24521 is a security flaw in SAP NetWeaver AS ABAP (BSP Framework) versions 700 to 757. It stems from insufficient input sanitization, enabling unauthorized users to alter user sessions through injected code, leading to potential unauthorized data access.

The Impact of CVE-2023-24521

The vulnerability poses a medium-risk threat with a CVSSv3.1 base score of 6.1. While it requires no user privileges for exploitation, the attack vector is through the network. A successful exploit can result in unauthorized session manipulation, potentially compromising the affected application's confidentiality and integrity.

Technical Details of CVE-2023-24521

Dive deeper into the technical aspects and implications of CVE-2023-24521 for organizations using SAP NetWeaver AS ABAP (BSP Framework).

Vulnerability Description

The vulnerability in SAP NetWeaver AS ABAP (BSP Framework) arises from the lack of sufficient input validation. This allows an attacker to inject malicious code over the network, leading to unauthorized manipulation of user sessions and potential data access.

Affected Systems and Versions

The vulnerability impacts SAP NetWeaver AS ABAP (BSP Framework) versions 700, 701, 702, 731, 740, 750, 751, 752, 753, 754, 755, 756, and 757.

Exploitation Mechanism

Attackers can exploit CVE-2023-24521 by injecting malicious code over the network, targeting unauthenticated user sessions to gain unauthorized access to sensitive data within the affected application.

Mitigation and Prevention

Discover essential steps to mitigate the risks posed by CVE-2023-24521 and safeguard systems running SAP NetWeaver AS ABAP (BSP Framework).

Immediate Steps to Take

Organizations should apply relevant security patches and updates provided by SAP to address the vulnerability promptly.
Implement network security measures to detect and prevent unauthorized code injections targeting user sessions.

Long-Term Security Practices

Regularly conduct security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate users on secure coding practices and the risks associated with untrusted input to prevent similar exploits in the future.

Patching and Updates

Stay informed about security advisories from SAP and promptly apply recommended patches and updates to ensure systems are protected against known vulnerabilities like CVE-2023-24521.