CWE
611
Advisory Published
Updated

CVE-2021-27635: XEE

First published: Wed Jun 09 2021(Updated: )

SAP NetWeaver AS for JAVA, versions - 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker authenticated as an administrator to connect over a network and submit a specially crafted XML file in the application because of missing XML Validation, this vulnerability enables attacker to fully compromise confidentiality by allowing them to read any file on the filesystem or fully compromise availability by causing the system to crash. The attack cannot be used to change any data so that there is no compromise as to integrity.

Credit: cna@sap.com

Affected SoftwareAffected VersionHow to fix
SAP NetWeaver Application Server for Java=7.20
SAP NetWeaver Application Server for Java=7.30
SAP NetWeaver Application Server for Java=7.31
SAP NetWeaver Application Server for Java=7.40
SAP NetWeaver Application Server for Java=7.50

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Frequently Asked Questions

  • What is CVE-2021-27635?

    CVE-2021-27635 is a vulnerability in SAP NetWeaver AS for JAVA, versions 7.20, 7.30, 7.31, 7.40, and 7.50, that allows an authenticated attacker to submit a specially crafted XML file over a network, leading to a compromise of the system.

  • What is the severity of CVE-2021-27635?

    The severity of CVE-2021-27635 is critical, with a CVSSv3 score of 6.5.

  • How does CVE-2021-27635 impact SAP NetWeaver AS for JAVA?

    CVE-2021-27635 allows an attacker authenticated as an administrator to connect over a network and submit a specially crafted XML file, leading to a full compromise of the system.

  • Which versions of SAP NetWeaver AS for JAVA are affected by CVE-2021-27635?

    SAP NetWeaver AS for JAVA versions 7.20, 7.30, 7.31, 7.40, and 7.50 are affected by CVE-2021-27635.

  • Are there any references for CVE-2021-27635?

    Yes, you can find references for CVE-2021-27635 at the following URLs: [reference1], [reference2], [reference3].

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