Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-22138
CVE-2021-22138:
Logstash vulnerability analysis and mitigation
Overview
A TLS certificate validation flaw was discovered in the monitoring feature of Logstash versions after 6.4.0 and before 6.8.15 and 7.12.0. When specifying a trusted server CA certificate, Logstash would not properly verify the certificate returned by the monitoring server (Vendor Advisory).
Technical details
The vulnerability is identified as CVE-2021-22138 with a CVSS v3.1 Base Score of 3.7 (LOW) and vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N. The flaw is classified as CWE-295 (Improper Certificate Validation) (NVD).
Impact
The vulnerability could result in a man-in-the-middle style attack against the Logstash monitoring data, potentially leading to disclosure of sensitive information (Vendor Advisory, NetApp Advisory).
Mitigation and workarounds
Users should update their version of Logstash to 7.12.0 or 6.8.15. There are no known workarounds for this vulnerability (Vendor Advisory).
Additional resources
Source: This report was generated using AI
Related Logstash vulnerabilities:
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