MEDIUMCVSS v3.1 6.3Vulnerability
CVE-2025-23390
A vulnerability has been identified within Fleet where, by default, Fleet will automatically trust a remote server’s certificate when connecting through SSH if the certificate isn’t set in the `known_hosts` file. This could allow the execution of a man-in-the-middle (MitM) attack against Fleet. In case the server that is being connected to has a trusted entry in the known_hosts file, then Fleet will correctly check the authenticity of the presented certificate.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-10-20T21:14:08.448323+00:00
- Epss score
- 0.0019
- Cvss severity
- MEDIUM
- Cvss score
- 6.3
- Retrieved at
- 2026-10-21T01:24:47+00:00
- Last source
- FIRST EPSS
- Score
- 6.3
- Cvss version
- 3.1
- Cve id
- CVE-2025-23390
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- First seen by Signal
- 2026-10-18T13:39:03+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- Published at
- 2026-10-15T09:17:14.190
- Last modified
- 2026-10-19T22:10:00.130
- Epss percentile
- 0.08204
Related Entities (1)
HAS_WEAKNESS (1)
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