CVE-2018-20685

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 86%
VendorProductVersion
openbsdopenssh
𝑥
≤ 7.9
winscpwinscp
𝑥
≤ 5.13
netappcloud_backup
-
netappelement_software
-
netappontap_select_deploy
-
netappsteelstore_cloud_integrated_storage
-
netappstorage_automation_store
-
debiandebian_linux
8.0
debiandebian_linux
9.0
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
18.10
redhatenterprise_linux
7.0
redhatenterprise_linux
8.0
redhatenterprise_linux_eus
8.1
redhatenterprise_linux_eus
8.2
redhatenterprise_linux_eus
8.4
redhatenterprise_linux_eus
8.6
redhatenterprise_linux_server_aus
8.2
redhatenterprise_linux_server_aus
8.4
redhatenterprise_linux_server_aus
8.6
redhatenterprise_linux_server_tus
8.2
redhatenterprise_linux_server_tus
8.4
redhatenterprise_linux_server_tus
8.6
siemensscalance_x204rna_firmware
𝑥
< 3.2.7
siemensscalance_x204rna_eec_firmware
𝑥
< 3.2.7
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
openssh
bullseye (security)
1:8.4p1-5+deb11u3
fixed
bullseye
1:8.4p1-5+deb11u3
fixed
bookworm
1:9.2p1-2+deb12u3
fixed
bookworm (security)
1:9.2p1-2+deb12u3
fixed
sid
1:9.9p1-3
fixed
trixie
1:9.9p1-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
openssh
noble
Fixed 1:7.9p1-5
released
mantic
Fixed 1:7.9p1-5
released
lunar
Fixed 1:7.9p1-5
released
kinetic
Fixed 1:7.9p1-5
released
jammy
Fixed 1:7.9p1-5
released
impish
Fixed 1:7.9p1-5
released
hirsute
Fixed 1:7.9p1-5
released
groovy
Fixed 1:7.9p1-5
released
focal
Fixed 1:7.9p1-5
released
eoan
Fixed 1:7.9p1-5
released
disco
Fixed 1:7.9p1-5
released
cosmic
Fixed 1:7.7p1-4ubuntu0.2
released
bionic
Fixed 1:7.6p1-4ubuntu0.2
released
xenial
Fixed 1:7.2p2-4ubuntu2.7
released
trusty
Fixed 1:6.6p1-2ubuntu2.12
released
openssh-ssh1
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
impish
ignored
hirsute
ignored
groovy
ignored
focal
needs-triage
eoan
ignored
disco
ignored
cosmic
ignored
bionic
needs-triage
xenial
dne
trusty
dne
References