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CVE-2021-22144

Common vulnerabilities & exposures (CVE)

CVE databaseCVE database blogpostRelease & EoL database
 
Published at: - 26-07-2021 02:15
Last modified: - 10-05-2022 08:02
Total changes: - 8

Description

In Elasticsearch versions before 7.13.3 and 6.8.17 an uncontrolled recursion vulnerability that could lead to a denial of service attack was identified in the Elasticsearch Grok parser. A user with the ability to submit arbitrary queries to Elasticsearch could create a malicious Grok query that will crash the Elasticsearch node.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Low
Attack complexity
Network
Attack vector
High
Availability
None
Confidentiality
None
Integrity
Low
Privileges required
Unchanged
Scope
None
User interaction
6.5
Base score
2.8
3.6
Exploitability score
Impact score
 

Verification logic

OR
OR
vendor=elastic AND product=Elasticsearch AND versionEndExcluding=6.8.17
vendor=elastic AND product=Elasticsearch AND versionStartIncluding=7.0.0 AND versionEndExcluding=7.13.3
OR
vendor=oracle AND product=communications_cloud_native_core_automated_test_suite AND version=1.8.0
 

Reference

 


Keywords

NVD

 

CVE-2021-22144

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures

 

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