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CVE-2018-15473

OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, ...

Published: Aug 17, 2018Updated: Dec 17, 2025 Sources: CVE List NVD BDU csafCWE-362
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
98.6%
Top 0.1%
CISA KEV
Not in KEV
Exploits
6 Known
Remediation
Patch Available
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify

Description

SCALANCE X-200RNA switch devices before V3.2.7 contain multiple OpenSSL and OpenSSH vulnerabilities. The most severe of these vulnerabilities could allow a denial of service condition or could lead to execution of arbitrary code. Siemens has released updates for the affected products and recommends to update to the latest versions.

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-362

Affected Products

Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
OpenSSHOpenBSD Project
LibraryLibrary
OSS Libraries / generic-library
SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFPSiemens AG
On-prem
ICS / OT / IoT / plc-scada-hmi
Sun ZFS Storage Appliance KitOracle Corp.
On-prem
Databases / cache-message-queue
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
openbsd projectoss-projectUSOperating Systemsaka openbsd
siemens agcommercialDEEnterprise Softwareaka siemens
oracle corp.commercialUSDatabasesaka oracle
and 23 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

6 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://cert-portal.siemens.com/productcert/csaf/ssa-412672.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/txt/ssa-412672.txt
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
cert-portal.siemens.com
and 42 more references View all →

Timeline

Published
Aug 17, 2018
Last Updated
Dec 17, 2025

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