CVE Vulnerability

CVE-2021-22138

In Logstash versions after 6.4.0 and before 6.8.15 and 7.12.0 a TLS certificate validation flaw was found in the monitoring feature. When specifying a trusted server CA certificate Logstash would not properly verify the certificate returned by the monitoring server. This could result in a man in the middle style attack against the Logstash monitoring data.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

3.7 /10

CVSS v3.0 : LOW

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://discuss.elastic.co/t/elastic-stack-7-12-0-and-6-8-15-security-update/268125 Vendor Advisory
https://security.netapp.com/advisory/ntap-20210629-0001/ Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:*
cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:*
Information

Published : 2021-05-13 06:15

Updated : 2022-06-04 02:56

NVD link : CVE-2021-22138

Mitre link : CVE-2021-22138

Products Affected
No products.
CWE
CWE-295

Improper Certificate Validation