CVE-2021-23901: vulnerability in Apache Nutch
An XML external entity (XXE) injection vulnerability exists in the Nutch DmozParser
Published · Updated
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3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 4.4%
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.
Affected products
Apache Software Foundation · Apache NutchRelated CVEs — Apache Nutch
In the same product, most dangerous first.
CVE-2026-41871CRITICALApache Nutch: Unauthenticated reflection-based job execution in Nutch Server (Nutch REST API)EPSS 0.7%CVE-2026-41869CRITICALApache Nutch: Unauthenticated forced shutdown and job interruption in Nutch Server (Nutch REST API)EPSS 0.7%CVE-2026-41870HIGHApache Nutch: Unauthenticated remote code execution (RCE) via JEXL injection in Nutch Server (Nutch REST API)EPSS 0.7%
References
https://issues.apache.org/jira/browse/NUTCH-2841https://lists.apache.org/thread.html/r090321840b44cc91086c4e317bf2baffa270749dde6c1273b6567f7c%40%3Cdev.nutch.apache.org%3Ehttps://lists.apache.org/thread.html/r5e2f7737b42c73a3325f3c2c8cdee1ec27631b3a0e144104d84d70e6%40%3Cannounce.apache.org%3Ehttps://lists.apache.org/thread.html/r7ddfd680aa7ea001ca8da63bb23e3f8caa095a8b4f2261e46bade5c7%40%3Cdev.nutch.apache.org%3Ehttps://security.netapp.com/advisory/ntap-20210513-0003/