title: Elasticsearch uncontrolled resource consumption
description: An issue has been identified with how Elasticsearch handled incoming requests on the HTTP layer. An unauthenticated user could force an Elasticsearch node to exit with an OutOfMemory error by sending a moderate number of malformed HTTP requests. The issue was identified by Elastic Engineering and we have no indication that the issue is known or that it is being exploited in the wild.
problem types: CWE-400: Uncontrolled Resource Consumption
affected:
{
defaultStatus: unaffected
product: Elasticsearch
vendor: Elastic
versions:
status: affected, version: 7.17.12
lessThan: 8.8.2, status: affected, version: 8.0.0, versionType: semver
lessThan: 3.6.0, status: affected, version: 2.13.3, versionType: semver
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL