VULNERABILITY INTELLIGENCE

CVE-2021-22146

CVSS score7.5 HIGH

EPSS probability35.78%

CISA KEVNot currently listed

Published2021-07-21

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

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.

Weakness classification

nvd@nist.gov: NVD-CWE-Other

Primary references

security@elastic.co — Exploit, Third Party Advisory, VDB Entry
security@elastic.co — Vendor Advisory
security@elastic.co — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory