Elasticsearch Remote Code Execution Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 25/03/2022. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| org.elasticsearch:elasticsearch | < 1.4.0.Beta1 | 1.4.0.Beta1 |
| elasticsearch | < 1.2.0 | 1.2.0 |
The default configuration in Elasticsearch before 1.4.0.Beta1 enables dynamic scripting, which allows remote attackers to execute arbitrary MVEL expressions and Java code via the source parameter to _search. NOTE: this only violates the vendor's intended security policy if the user does not run Elasticsearch in its own independent virtual machine.
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