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CVE-2021-23901: Improper Restriction of XML External Entity Reference

January 25, 2021 (updated November 7, 2023)

An XML external entity (XXE) injection vulnerability was discovered in the Nutch DmozParser and is known to affect Nutch XML external entity injection (also known as XXE) is a web security vulnerability that allows an attacker to interfere with an application’s processing of XML data.

References

  • nvd.nist.gov/vuln/detail/CVE-2021-23901

Code Behaviors & Features

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Affected versions

All versions before 1.18

Fixed versions

  • 1.18

Solution

Upgrade to version 1.18 or above.

Impact 9.1 CRITICAL

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

Learn more about CVSS

Weakness

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

Source file

maven/org.apache.nutch/nutch/CVE-2021-23901.yml

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