I am sure there are still people out there who are using this. Anyone with 1.7 and/or 2.3 that have to deal with this?

Addressing log4j vulnerability for 1.x and 2.x elasticsearch

warkolm (Mark Walkom) December 21, 2021, 8:47am 2

But please do be aware that these have all been EOL for quite a long time and are no longer supported.

Topic		Replies	Views
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Is Elasticsearch affected by CVE-2021-45046 - a second vulnerability in log4j? Elasticsearch	2	5953	January 12, 2022
Apache Log4j2 Remote Code Execution (RCE) Vulnerability - CVE-2021-44228 - ESA-2021-31 Security Announcements	7	347597	November 4, 2022