CVE-2021-23901: An XML external entity (XXE) injection vulnerability exists in the Nutch DmozParser
First published: Mon Jan 25 2021(Updated: )
An XML external entity (XXE) injection vulnerability was discovered in the Nutch DmozParser and is known to affect Nutch versions < 1.18. 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. It often allows an attacker to view files on the application server filesystem, and to interact with any back-end or external systems that the application itself can access. This issue is fixed in Apache Nutch 1.18.
Credit: security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apache Nutch | <1.18 | |
| NetApp Snap Creator Framework |
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Reference Links
- https://issues.apache.org/jira/browse/NUTCH-2841
- https://lists.apache.org/thread.html/r090321840b44cc91086c4e317bf2baffa270749dde6c1273b6567f7c%40%3Cdev.nutch.apache.org%3E
- https://lists.apache.org/thread.html/r5e2f7737b42c73a3325f3c2c8cdee1ec27631b3a0e144104d84d70e6@%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/r7ddfd680aa7ea001ca8da63bb23e3f8caa095a8b4f2261e46bade5c7@%3Cdev.nutch.apache.org%3E
- https://security.netapp.com/advisory/ntap-20210513-0003/
- https://lists.apache.org/thread.html/r7ddfd680aa7ea001ca8da63bb23e3f8caa095a8b4f2261e46bade5c7%40%3Cdev.nutch.apache.org%3E
- https://lists.apache.org/thread.html/r5e2f7737b42c73a3325f3c2c8cdee1ec27631b3a0e144104d84d70e6%40%3Cannounce.apache.org%3E
Frequently Asked Questions
What is CVE-2021-23901?
CVE-2021-23901 is an XML external entity (XXE) injection vulnerability in Nutch DmozParser.
How does CVE-2021-23901 affect Nutch?
CVE-2021-23901 affects Nutch versions prior to 1.18.
What is XML external entity (XXE) injection vulnerability?
XML external entity (XXE) injection vulnerability is a web security vulnerability that allows an attacker to interfere with an application's processing of XML data.
What is the severity of CVE-2021-23901?
CVE-2021-23901 has a severity rating of 9.1 (Critical).
How can I fix CVE-2021-23901?
To fix CVE-2021-23901, update Nutch to version 1.18 or higher.
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