CVE-2025-37730
Logstash Improper Certificate Validation in TCP output
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 6.5EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
06 May 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
Improper certificate validation in Logstash's TCP output could lead to a man-in-the-middle (MitM) attack in “client” mode, as hostname verification in TCP output was not being performed when the ssl_verification_mode => full was set.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Affected products
Elastic · LogstashWant to know if your infrastructure is exposed to this?
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