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ubuntucveUbuntu.comUB:CVE-2021-22144
HistoryJul 26, 2021 - 12:00 a.m.

CVE-2021-22144

2021-07-2600:00:00
ubuntu.com
ubuntu.com
1

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

6.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

49.6%

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.

OSVersionArchitecturePackageVersionFilename
ubuntu16.04noarchelasticsearch< anyUNKNOWN

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

6.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

49.6%