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  5. CVE-2020-13940

CVE-2020-13940: Improper Restriction of XML External Entity Reference

October 1, 2020 (updated October 5, 2020)

In Apache NiFi, the notification service manager and various policy authorizer and user group provider objects allowed trusted administrators to inadvertently configure a potentially malicious XML file. The XML file has the ability to make external calls to services (via XXE).

References

  • nifi.apache.org/security
  • nvd.nist.gov/vuln/detail/CVE-2020-13940

Code Behaviors & Features

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Affected versions

All versions starting from 1.0.0 up to 1.11.4

Fixed versions

  • 1.12.0

Solution

Upgrade to version 1.12.0 or above.

Impact 5.5 MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Learn more about CVSS

Weakness

  • CWE-611: Improper Restriction of XML External Entity Reference

Source file

maven/org.apache.nifi/nifi/CVE-2020-13940.yml

Spotted a mistake? Edit the file on GitLab.

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