CVE-2025-37730 (GCVE-0-2025-37730)

Vulnerability from cvelistv5 – Published: 2025-05-06 17:29 – Updated: 2025-05-06 17:51
VLAI?
Summary
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.
Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
CWE
Assigner
References
Impacted products
Vendor Product Version
Elastic Logstash Affected: 8.0.0 , < 8.17.6 (semver)
Affected: 8.18.0 , < 8.18.1 (semver)
Affected: 9.0.0 , < 9.0.1 (semver)
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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