CVE-2017-12623

Description

An authorized user could upload a template which contained malicious code and accessed sensitive files via an XML External Entity (XXE) attack. The fix to properly handle XML External Entities was applied on the Apache NiFi 1.4.0 release. Users running a prior 1.x release should upgrade to the appropriate release.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.38%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache NiFi
Published at:
Updated at:

References

Link Tags
https://nifi.apache.org/security.html#CVE-2017-12623 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-12623?
CVE-2017-12623 has been scored as a medium severity vulnerability.
How to fix CVE-2017-12623?
To fix CVE-2017-12623, 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-2017-12623 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-12623 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-2017-12623?
CVE-2017-12623 affects Apache Software Foundation Apache NiFi.
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