CVE-2020-14396

EUVD-2020-6535
An issue was discovered in LibVNCServer before 0.9.13. libvncclient/tls_openssl.c has a NULL pointer dereference.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 81%
Affected Products (NVD)
VendorProductVersion
libvnc_projectlibvncserver
𝑥
≤ 0.9.12
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
18.10
canonicalubuntu_linux
20.04
debiandebian_linux
8.0
debiandebian_linux
9.0
siemenssimatic_itc1500_firmware
3.0.0.0 ≤
𝑥
< 3.2.1.0
siemenssimatic_itc1500_pro_firmware
3.0.0.0 ≤
𝑥
< 3.2.1.0
siemenssimatic_itc1900_firmware
3.0.0.0 ≤
𝑥
< 3.2.1.0
siemenssimatic_itc1900_pro_firmware
3.0.0.0 ≤
𝑥
< 3.2.1.0
siemenssimatic_itc2200_firmware
3.0.0.0 ≤
𝑥
< 3.2.1.0
siemenssimatic_itc2200_pro_firmware
3.0.0.0 ≤
𝑥
< 3.2.1.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libvncserver
bookworm
0.9.14+dfsg-1
fixed
bullseye
0.9.13+dfsg-2+deb11u1
fixed
buster
not-affected
jessie
not-affected
sid
0.9.14+dfsg-1
fixed
stretch
not-affected
trixie
0.9.14+dfsg-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libvncserver
bionic
not-affected
eoan
not-affected
focal
Fixed 0.9.12+dfsg-9ubuntu0.2
released
groovy
not-affected
hirsute
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
dne
xenial
not-affected
veyon
bionic
dne
eoan
ignored
focal
needs-triage
groovy
ignored
hirsute
ignored
impish
ignored
jammy
needs-triage
kinetic
ignored
lunar
ignored
mantic
ignored
noble
needs-triage
trusty
dne
xenial
dne
x11vnc
bionic
needs-triage
eoan
ignored
focal
needs-triage
groovy
ignored
hirsute
ignored
impish
ignored
jammy
needs-triage
kinetic
ignored
lunar
ignored
mantic
ignored
noble
needs-triage
trusty
needs-triage
xenial
needs-triage