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CVE-2021-21488 : Security Advisory and Response

Discover the impact of CVE-2021-21488 on SAP NetWeaver Knowledge Management versions 7.01 to 7.50. Learn about the vulnerability, its technical details, and mitigation steps.

This CVE-2021-21488 impacts SAP NetWeaver Knowledge Management versions 7.01, 7.02, 7.30, 7.31, 7.40, and 7.50 allowing a remote attacker to trigger insecure deserialization, affecting Availability.

Understanding CVE-2021-21488

This section provides a detailed overview of the vulnerability.

What is CVE-2021-21488?

CVE-2021-21488 affects SAP NetWeaver Knowledge Management versions < 7.01, < 7.02, < 7.30, < 7.31, < 7.40, and < 7.50, enabling a remote attacker with basic privileges to exploit insecure deserialization.

The Impact of CVE-2021-21488

The vulnerability results in the execution of attacker's code, leading to an impact on the Availability of the affected systems.

Technical Details of CVE-2021-21488

Explore the specific technical aspects of the vulnerability.

Vulnerability Description

SAP NetWeaver Knowledge Management is susceptible to insecure deserialization, allowing attackers to exploit user-controlled data.

Affected Systems and Versions

The impacted systems include versions 7.01, 7.02, 7.30, 7.31, 7.40, and 7.50 of SAP NetWeaver Knowledge Management.

Exploitation Mechanism

Attackers with basic privileges can exploit the vulnerability remotely, triggering insecure deserialization.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-21488.

Immediate Steps to Take

Immediately apply relevant security patches and updates to the affected systems to prevent exploitation.

Long-Term Security Practices

Enforce strict security protocols, conduct regular security audits, and educate users on best security practices.

Patching and Updates

Regularly monitor for security updates released by SAP and apply patches promptly to safeguard systems.

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