All vulnerabilities

Servers and applications

CVE-2021-22146

All versions of Elastic Cloud Enterprise has the Elasticsearch “anonymous” user enabled by default in deployed clusters. While in the default setting the anonymous user has no permissions and is unable to successfully query any Elasticsearch APIs, an attacker could leverage the anonymous user to gain insight into certain details of a deployed cluster.

Severity
High 7.5
Published
21 Jul 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
ElasticsearchServers and applications · cpe:a:elastic:elasticsearch
  • Version 7.13.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-22146
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-22146