CVE-2022-23712 Improper Check for Unusual or Exceptional Conditions in Elasticsearch

What is CVE-2022-23712?

CVE-2022-23712 is a high-severity denial of service vulnerability in Elastic Elasticsearch, published on 6 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A Denial of Service flaw was discovered in Elasticsearch. Using this vulnerability, an unauthenticated attacker could forcibly shut down an Elasticsearch node with a specifically formatted network request.

Weakness: CWE-754

Which versions are affected by CVE-2022-23712?

3 open source packages ship an affected version, including org.elasticsearch:elasticsearch and elasticsearch. It affects 1 product.

Products include Elastic Elasticsearch.

How do I fix CVE-2022-23712?

Upgrade org.elasticsearch:elasticsearch to 8.2.1 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-23712 being exploited?

There is no known exploitation of CVE-2022-23712 in the wild and no public exploit code.

Other vulnerabilities in Elastic Elasticsearch

• CVE-2015-1427 Elasticsearch Groovy Scripting Engine Remote Code Execution Exploited Critical 9.8
• CVE-2014-3120 Elasticsearch Remote Code Execution Exploited High 8.1
• CVE-2015-5377 Code injection in n/a Critical 9.8
• CVE-2026-72649 Deserialization of Untrusted Data in Elasticsearch Leading to Remote Code Execution High 8.8
• CVE-2026-72642 Use of Out-of-range Pointer Offset in the Elasticsearch Machine Learning Native Inference Process High 8.8

All Elastic Elasticsearch vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-elasticsearch-2022-23712, GHSA-wh6w-69xc-5rq5.