CVE-2023-46673 Elasticsearch Improper Handling of Exceptional Conditions

What is CVE-2023-46673?

CVE-2023-46673 is a medium-severity denial of service vulnerability in Elastic Elasticsearch, published on 22 Nov 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

It was identified that malformed scripts used in the script processor of an Ingest Pipeline could cause an Elasticsearch node to crash when calling the Simulate Pipeline API.

Weakness: CWE-755

Which versions are affected by CVE-2023-46673?

5 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-2023-46673?

Upgrade org.elasticsearch:elasticsearch to a fixed version for your release line: 7.17.14 or 8.10.3.

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-2023-46673 being exploited?

There is no known exploitation of CVE-2023-46673 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-2023-46673, GHSA-285m-vhfq-xx4h, MINI-f3hf-jr9w-6v5q, MINI-fp42-mgj2-g3mh, UBUNTU-CVE-2023-46673.