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CVE-2018-15919

Published: Aug 28, 2018Updated: Dec 18, 2025 Sources: CVE List NVD BDUCWE-200
5.3MEDIUM
NVD MITRE
EPSS Score
3.6%
Top 12.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.'

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-200

Affected Products

netapp
commercial·US
cloud backup
Hardware Firmware
data ontap edge
Hardware Firmware
ontap select deploy
Hardware Firmware
steelstore
Hardware Firmware
cn1610 firmware
Hardware Firmware
openbsd
oss-project·CA
opensshLibraryLibrary
OSS Libraries / generic-library
Canonical Ltd.
commercial·GBaka canonical
UbuntuOn-premOS
Operating Systems / linux-distro
OpenBSD Project
oss-project·USaka openbsd
OpenSSHLibraryLibrary
OSS Libraries / generic-library
McAfee Inc.
commercial·USaka mcafee
Threat Intelligence Exchange Server
Security Products
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
and 1 more affected products View all →

Exploitability

Official Patch Available
Scannable·OpenVAS
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://security.netapp.com/advisory/ntap-20181221-0001/
security.netapp.com
http://www.securityfocus.com/bid/105163
securityfocus.com
http://seclists.org/oss-sec/2018/q3/180
seclists.org
and 3 more references View all →
News mentions
Could not load news mentions.

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