CVE-2021-23901

An XML external entity (XXE) injection vulnerability exists in the Nutch DmozParser

Description

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.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.43% Top 25%
Vendor Advisory apache.org Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Nutch
Published at:
Updated at:

References

Link Tags
https://lists.apache.org/thread.html/r090321840b44cc91086c4e317bf2baffa270749dde6c1273b6567f7c%40%3Cdev.nutch.apache.org%3E vendor advisory mailing list
https://issues.apache.org/jira/browse/NUTCH-2841 patch vendor advisory issue tracking
https://lists.apache.org/thread.html/r7ddfd680aa7ea001ca8da63bb23e3f8caa095a8b4f2261e46bade5c7%40%3Cdev.nutch.apache.org%3E mailing list
https://lists.apache.org/thread.html/r5e2f7737b42c73a3325f3c2c8cdee1ec27631b3a0e144104d84d70e6%40%3Cannounce.apache.org%3E mailing list
https://security.netapp.com/advisory/ntap-20210513-0003/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-23901?
CVE-2021-23901 has been scored as a critical severity vulnerability.
How to fix CVE-2021-23901?
To fix CVE-2021-23901, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-23901 being actively exploited in the wild?
It is possible that CVE-2021-23901 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-23901?
CVE-2021-23901 affects Apache Software Foundation Apache Nutch.
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