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Status published
Low
CVE-2021-22138
In Logstash versions after 6.4.0 and before 6.8.15 and 7.12.0...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
Elastic
View all reports →Affected Software
Elasticsearch
Vulnerable Versions:
after 6.4.0 and before 6.8.15 and 7.12.0
Timeline
Official Publish:
May 13th, 2021
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N