CVE-2021-22138
Low
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.
SeverityLow
CVSS3.7
Exploit probability—
ProductElastic Logstash
PublishedMay 13, 2021
First seenMay 13, 2021
Weakness typeCWE-295CWE-295
How to fix
Update
- elastic logstash6.8.15, 7.12.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| elastic logstash | 6.4.0 ≤ v < 6.8.15, 7.0.0 ≤ v < 7.12.0 | 6.8.15, 7.12.0 |
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