CVE-2021-44145

Apache NiFi information disclosure by XXE

Description

In the TransformXML processor of Apache NiFi before 1.15.1 an authenticated user could configure an XSLT file which, if it included malicious external entity calls, may reveal sensitive information.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.17%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache NiFi
Published at:
Updated at:

References

Link Tags
https://nifi.apache.org/security.html#1.15.1-vulnerabilities vendor advisory
http://www.openwall.com/lists/oss-security/2021/12/17/1 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-44145?
CVE-2021-44145 has been scored as a medium severity vulnerability.
How to fix CVE-2021-44145?
To fix CVE-2021-44145, 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-2021-44145 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-44145 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-44145?
CVE-2021-44145 affects Apache Software Foundation Apache NiFi.
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