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CVE-2018-20685

Published: Jan 10, 2019Updated: Dec 17, 2025 Sources: CVE List NVD BDU csafCWE-863
5.3MEDIUM
NVD MITRE
EPSS Score
3.7%
Top 11.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

In OpenSSH 7.9, scp.c in the scp client allows remote SSH servers to bypass intended access restrictions via the filename of . or an empty filename. The impact is modifying the permissions of the target directory on the client side.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:RS:UC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-863

Affected Products

fujitsu
commercial·JPaka m10-1 firmware, m10-4 firmware, m10-4s firmware
m10-1 firmware
Hardware Firmware
m10-4 firmware
Hardware Firmware
m10-4s firmware
Hardware Firmware
m12-1 firmware
Hardware Firmware
m12-2 firmware
Hardware Firmware
m12-2s firmware
Hardware Firmware
netapp
commercial·US
cloud backup
Hardware Firmware
element software
Hardware Firmware
ontap select deploy
Hardware Firmware
steelstore cloud integrated storage
Hardware Firmware
storage automation store
Hardware Firmware
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
Astra Linux Common EditionOn-premOS
Operating Systems / linux-distro
Astra Linux Special Edition для «Эльбрус»On-premOS
Operating Systems / linux-distro
siemens
commercial·DEaka siemens ag
scalance x204rna firmware
ICS / OT / IoT
scalance x204rna eec firmware
ICS / OT / IoT
openbsd
oss-project·CA
opensshLibraryLibrary
OSS Libraries / generic-library
winscp
commercialaka win scp
winscpOn-prem
Consumer Software / file-utility
and 15 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

2 techniques
Initial Access
View detailed technique mapping

References

https://www.debian.org/security/2019/dsa-4387
debian.org
https://usn.ubuntu.com/3885-1/
usn.ubuntu.com
https://github.com/openssh/openssh-portable/commit/6010c0303a422a9c5fa8860c061bf7105eb7f8b2
github.com
and 30 more references View all →
News mentions
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