Vulnerability in Elastic Elasticsearch
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.358 (98.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.278 · newest: 0.358 · change: +0.080
Affected products
- Elastic Elasticsearch — versions 7.13.3
Public proof-of-concept exploits
References
- discuss.elastic.co/t/elastic-cloud-enterprise-security-update/279180 (Vendor Advisory)
- packetstormsecurity.com/files/163655/Elasticsearch-ECE-7.13.3-Database-Disclosu… (Exploit, VDB Entry, Third Party Advisory)
- security.netapp.com/advisory/ntap-20210819-0005/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-22146?
- CVE-2021-22146 is a high-severity vulnerability in Elastic Elasticsearch. CVSS score: 7.5/10. Published 2021-07-21.
- How severe is CVE-2021-22146?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-22146 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.