CVE-2021-22146
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 35.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 35.78% probability · 98th percentile
- CISA KEV
- Not listed
- Affected
- elastic/elasticsearch
- Source
- security@elastic.co
References
- http://packetstormsecurity.com/files/163655/Elasticsearch-ECE-7.13.3-Database-Disclosure.htmlExploit, Third Party Advisory, VDB Entry
- https://discuss.elastic.co/t/elastic-cloud-enterprise-security-update/279180Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210819-0005/Third Party Advisory
- http://packetstormsecurity.com/files/163655/Elasticsearch-ECE-7.13.3-Database-Disclosure.htmlExploit, Third Party Advisory, VDB Entry
- https://discuss.elastic.co/t/elastic-cloud-enterprise-security-update/279180Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210819-0005/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.