CVE-2025-37730 describes an improper certificate validation flaw in Logstash's TCP output when operating in "client" mode, specifically when ssl_verification_mode is set to "full". This vulnerability, rated Medium with a CVSS score of 6.5, allows for a man-in-the-middle (MitM) attack due to the absence of hostname verification. The attack requires high complexity but could lead to high confidentiality impact and low integrity impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 8.0.0, < 8.17.6CPE match | cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:* | ||
>= 8.18.0, < 8.18.1CPE match | cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:* | ||
>= 9.0.0, < 9.0.1CPE match | cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.