Elasticsearch
CVE-2021-22146
HIGH
Vulnerability Assessment
| Impact | CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAI
All versions of Elastic Cloud Enterprise has the Elasticsearch “anonymous” user enabled by default in deployed clusters. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
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. Affected products include: Elastic Elasticsearch.
Know when Elasticsearch gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
Exploit-DB
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Affected Products (CPE)NVD
More in Elasticsearch
View allThe Groovy scripting engine in Elasticsearch before 1.3.8 and 1.4.x before 1.4.3 allows remote attackers to bypass the s
The default configuration in Elasticsearch before 1.2 enables dynamic scripting, which allows remote attackers to execut
Directory traversal vulnerability in Elasticsearch before 1.6.1 allows remote attackers to read arbitrary files via unsp
Directory traversal vulnerability in Elasticsearch before 1.4.5 and 1.5.x before 1.5.2, when a site plugin is enabled, a
A flaw was discovered in Elasticsearch, affecting the _search API that allowed a specially crafted query string to cause
Maliciously crafted on-chain account names processed by Klever-Go prior to 1.7.20 are spliced into Elasticsearch _bulk r
A memory disclosure vulnerability was identified in Elasticsearch 7.10.0 to 7.13.3 error reporting. Rated medium severit
Remote code execution in Elasticsearch's machine learning component allows an authenticated user with ML model deploymen
Heap corruption and potential remote code execution in Elasticsearch's native ML inference engine can be triggered by an
The fix for CVE-2020-7009 was found to be incomplete. Rated high severity (CVSS 8.8), this vulnerability is remotely exp
Elasticsearch versions from 6.7.0 before 6.8.8 and 7.0.0 before 7.6.2 contain a privilege escalation flaw if an attacker
Elasticsearch Alerting and Monitoring in versions before 6.4.1 or 5.6.12 have an information disclosure issue when secre
GitHub PoC