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https://issues.apache.org/jira/browse/NIFI-9474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17460888#comment-17460888
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Wesley Philip commented on NIFI-9474:
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Thanks [~pvillard] . I understand that NiFi 1.15.1 removes all references. My
question is whether we think NiFi 1.13.2 really has an exploitable issue with
the older Log4j v2 libraries, or are the Log4 v2 libraries being upgraded /
removed out of abundance of caution?
> Upgrade Log4j 2 to 2.15.0
> -------------------------
>
> Key: NIFI-9474
> URL: https://issues.apache.org/jira/browse/NIFI-9474
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Pierre Villard
> Assignee: Bryan Bende
> Priority: Major
> Labels: security
> Fix For: 1.16.0, 1.15.1
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> Following NIFI-9283, upgrade Log4j to 2.15.0 wherever possible.
> This is in light of the recent announcement for
> https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44228
> We do not believe we use log4j 2 in any way that exposes the vulnerability
> but we'll update beyond the version anyway. We still need to fix the
> following so I reopened the JIRA
> ./nifi-nar-bundles/nifi-atlas-bundle/nifi-atlas-nar/target/classes/META-INF/bundled-dependencies/log4j-api-2.13.3.jar
> ./nifi-nar-bundles/nifi-atlas-bundle/nifi-atlas-nar/target/classes/META-INF/bundled-dependencies/log4j-core-2.13.3.jar
> ./nifi-registry/nifi-registry-core/nifi-registry-web-api/target/nifi-registry-web-api-1.16.0-SNAPSHOT/WEB-INF/lib/log4j-to-slf4j-2.14.1.jar
> ./nifi-registry/nifi-registry-core/nifi-registry-web-api/target/nifi-registry-web-api-1.16.0-SNAPSHOT/WEB-INF/lib/log4j-api-2.14.1.jar
> ./nifi-registry/nifi-registry-toolkit/nifi-registry-toolkit-assembly/target/nifi-registry-toolkit-1.16.0-SNAPSHOT-bin/nifi-registry-toolkit-1.16.0-SNAPSHOT/lib/log4j-to-slf4j-2.14.1.jar
> ./nifi-registry/nifi-registry-toolkit/nifi-registry-toolkit-assembly/target/nifi-registry-toolkit-1.16.0-SNAPSHOT-bin/nifi-registry-toolkit-1.16.0-SNAPSHOT/lib/log4j-api-2.14.1.jar
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