CVE-2021-22138
3.7
LOW
CVSS 3.1
EPSS 0.46%
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.
How to fix CVE-2021-22138
To remediate CVE-2021-22138, upgrade the affected package to a fixed version below.
- —upgrade to 6.8.15 or later
Is CVE-2021-22138 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 6.4.0, < 6.8.15, >= 7.0.0, < 7.12.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |