CVE-2017-3204
golang-googlecode-go-crypto: Go SSH library does not verify host keys by default
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Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · March 29, 2017
Updated · May 13, 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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 4.8CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE not specified