// For flags

CVE-2021-22144

 

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

En Elasticsearch versiones anteriores a 7.13.3 y la 6.8.17, se ha identificado una vulnerabilidad de recursión no controlada que podía conllevar a un ataque de denegación de servicio en el analizador Grok de Elasticsearch. Un usuario con la capacidad de enviar consultas arbitrarias a Elasticsearch podría crear una consulta Grok maliciosa que bloquearía el nodo de Elasticsearch

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-04 CVE Reserved
  • 2021-07-26 CVE Published
  • 2023-03-17 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-674: Uncontrolled Recursion
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Elastic
Search vendor "Elastic"
Elasticsearch
Search vendor "Elastic" for product "Elasticsearch"
< 6.8.17
Search vendor "Elastic" for product "Elasticsearch" and version " < 6.8.17"
-
Affected
Elastic
Search vendor "Elastic"
Elasticsearch
Search vendor "Elastic" for product "Elasticsearch"
>= 7.0.0 < 7.13.3
Search vendor "Elastic" for product "Elasticsearch" and version " >= 7.0.0 < 7.13.3"
-
Affected
Oracle
Search vendor "Oracle"
Communications Cloud Native Core Automated Test Suite
Search vendor "Oracle" for product "Communications Cloud Native Core Automated Test Suite"
1.8.0
Search vendor "Oracle" for product "Communications Cloud Native Core Automated Test Suite" and version "1.8.0"
-
Affected