CVSS 5.3 CVE-2018-15919

CVSS 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Remotely observable behavior in auth-gss2.c in OpenSSH through 7.8 could be used by remote attackers to detect existence of users on a target system when GSS2 is in use. NOTE: the discoverer states ‘We understand that the OpenSSH developers do not want to treat such a username enumeration (or “oracle”) as a vulnerability.’

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