CVE-2017-3204

HighCVSS 8.1/10Last modified Jun 17, 2026

Description

The Go SSH library (x/crypto/ssh) by default does not verify host keys, facilitating man-in-the-middle attacks. Default behavior changed in commit e4e2799 to require explicitly registering a hostkey verification mechanism.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-310

Affected software

No affected versions have been published.

Timeline

Published: Apr 4, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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