CWE
502
Advisory Published
Updated

CVE-2021-21488

First published: Tue Mar 09 2021(Updated: )

Knowledge Management versions 7.01, 7.02, 7.30, 7.31, 7.40, 7.50 allows a remote attacker with basic privileges to deserialize user-controlled data without verification, leading to insecure deserialization which triggers the attacker’s code, therefore impacting Availability.

Credit: cna@sap.com

Affected SoftwareAffected VersionHow to fix
SAP NetWeaver Knowledge Management=7.01
SAP NetWeaver Knowledge Management=7.02
SAP NetWeaver Knowledge Management=7.30
SAP NetWeaver Knowledge Management=7.31
SAP NetWeaver Knowledge Management=7.40
SAP NetWeaver Knowledge Management=7.50

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Frequently Asked Questions

  • What is the severity of CVE-2021-21488?

    CVE-2021-21488 is classified as a medium severity vulnerability that allows insecure deserialization due to insufficient data verification.

  • How do I fix CVE-2021-21488?

    To mitigate CVE-2021-21488, it is recommended to apply the latest security patches provided by SAP for the affected versions of SAP NetWeaver Knowledge Management.

  • Which versions are affected by 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.

  • Can CVE-2021-21488 lead to data breaches?

    Yes, CVE-2021-21488 could potentially allow remote attackers to execute malicious code, compromising system integrity and availability.

  • What should I do if I am vulnerable to CVE-2021-21488?

    If you are using an affected version of SAP NetWeaver Knowledge Management, prioritize updating your software to the latest secure version.

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