# Zero-day-exploit in log4j2 which is part of elasticsearch

**URL:** <https://discuss.elastic.co/t/zero-day-exploit-in-log4j2-which-is-part-of-elasticsearch/291439>\
**Category:** Elasticsearch\
**Created:** [December 10, 2021, 3:46pm UTC](https://discuss.elastic.co/t/zero-day-exploit-in-log4j2-which-is-part-of-elasticsearch/291439 "2021-12-10T15:46:15Z")\
**Posts on this page:** 1\
**Showing post:** 6

<div class="post-metadata">

**Author:** ![BenB196](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/benb196/32/83401_2.png) [@BenB196](https://discuss.elastic.co/u/BenB196)\
**Post date:** [December 10, 2021, 5:18pm UTC](https://discuss.elastic.co/t/zero-day-exploit-in-log4j2-which-is-part-of-elasticsearch/291439/6 "2021-12-10T17:18:06Z")

</div>

Just an FYI; [Add logging property by ChrisHegarty · Pull Request #81622 · elastic/elasticsearch (github.com)](https://github.com/elastic/elasticsearch/pull/81622) was just merged into master, so the environment variable appears to be the "fix" for this.

---

_[View the full topic](https://discuss.elastic.co/t/zero-day-exploit-in-log4j2-which-is-part-of-elasticsearch/291439)._
