CVE-2023-46674 Elasticsearch-hadoop Unsafe Deserialization

What is CVE-2023-46674?

CVE-2023-46674 is a medium-severity unsafe deserialization vulnerability in Elastic Elasticsearch, published on 5 Dec 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was identified that allowed the unsafe deserialization of java objects from hadoop or spark configuration properties that could have been modified by authenticated users. Elastic would like to thank Yakov Shafranovich, with Amazon Web Services for reporting this issue.

Weakness: CWE-502

Which versions are affected by CVE-2023-46674?

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

Products include Elastic Elasticsearch.

How do I fix CVE-2023-46674?

Upgrade org.elasticsearch:elasticsearch-hadoop to a fixed version for your release line: 7.17.11 or 8.9.0.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2023-46674 being exploited?

There is no known exploitation of CVE-2023-46674 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-2023-46674, GHSA-rv74-m283-5j95.