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.
Published 2017-04-04 14:59:00
Updated 2020-07-07 18:21:43
Source CERT/CC
View at NVD,   CVE.org

Products affected by CVE-2017-3204

Exploit prediction scoring system (EPSS) score for CVE-2017-3204

0.23%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 60 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-3204

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
NIST
8.1
HIGH CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
2.2
5.9
NIST

CWE ids for CVE-2017-3204

  • Assigned by: cret@cert.org (Secondary)

References for CVE-2017-3204

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