CVE-2018-15919

State: Published
Severity: 5.3 Medium
Published: Aug 28, 2018
Updated: Dec 18, 2025
Reserved: Aug 28, 2018

Description

Remotely observable behaviour 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.'

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	CISA-ADP

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://security.netapp.com/advisory/ntap-20181221-0001/
105163vdb-entry
http://seclists.org/oss-sec/2018/q3/180

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