CWE
200
Advisory Published
Updated

CVE-2021-44145: Apache NiFi information disclosure by XXE

First published: Fri Dec 17 2021(Updated: )

In the TransformXML processor of Apache NiFi before 1.15.1 an authenticated user could configure an XSLT file which, if it included malicious external entity calls, may reveal sensitive information.

Credit: security@apache.org security@apache.org

Affected SoftwareAffected VersionHow to fix
Apache NiFi>=0.1.0<1.15.1
>=0.1.0<1.15.1

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Frequently Asked Questions

  • What is CVE-2021-44145?

    CVE-2021-44145 is a vulnerability in the TransformXML processor of Apache NiFi before version 1.15.1.

  • What is the severity of CVE-2021-44145?

    The severity of CVE-2021-44145 is medium, with a CVSS score of 6.5.

  • How can an authenticated user exploit CVE-2021-44145?

    An authenticated user could configure an XSLT file in the TransformXML processor, which, if it included malicious external entity calls, may reveal sensitive information.

  • Which version of Apache NiFi is affected by CVE-2021-44145?

    CVE-2021-44145 affects Apache NiFi versions before 1.15.1.

  • How can I mitigate the vulnerability in Apache NiFi?

    To mitigate the vulnerability, update Apache NiFi to version 1.15.1 or later.

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