CVE-2021-22144
Title: Uncontrolled recursion in Elasticsearch Grok parser leading to DoS
Denial of Service
Proof Of Concept
No public PoC currently indexed for CVE-2021-22144.
CWE Category
CWE-674
Published Date
Jul 26, 2021
Modified Date
Nov 21, 2024
Exploit Status
Not Found
Score
6.5
CVSS v3.1
Exploit Probability (EPSS)
2.18%
Vulnerability Summary
CVE-2021-22144: 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.
Impacted Vendors
Reference Links
https://discuss.elastic.co/t/elasticsearch-7-13-3-and-6-8-17-security-update/278100
https://security.netapp.com/advisory/ntap-20210827-0006/
https://www.oracle.com/security-alerts/cpuapr2022.html
https://discuss.elastic.co/t/elasticsearch-7-13-3-and-6-8-17-security-update/278100
https://security.netapp.com/advisory/ntap-20210827-0006/
https://www.oracle.com/security-alerts/cpuapr2022.html
CVSS v3.1
Source Entity
[email protected]
Severity
MEDIUM
6.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity
[email protected]
Severity
MEDIUM
4.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR
AV:N/AC:L/Au:S/C:N/I:N/A:P
Associated Attack Patterns (CAPEC)
Total: PatternsNo specific attack patterns mapped.
Likelihood
Severity
Page /
CVE-2021-22144 Exploits & PoCs (Proof Of Concept)
No public PoCs found in our database for this CVE.
MODIFIED
Vulnerability data or affected products updated.
PUBLISHED
Vulnerability first announced in NVD.
Attack Vector Matrix
Access Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
CVSS Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Stack
No specific products linked.