CVE-2020-14396

2020-06-1700:00:00

ubuntu.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.002 Low

EPSS

Percentile

53.2%

JSON

An issue was discovered in LibVNCServer before 0.9.13.
libvncclient/tls_openssl.c has a NULL pointer dereference.

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlibvncserver< 0.9.12+dfsg-9ubuntu0.2UNKNOWN
ubuntu20.04noarchveyon< anyUNKNOWN
ubuntu22.04noarchveyon< anyUNKNOWN
ubuntu23.10noarchveyon< anyUNKNOWN
ubuntu24.04noarchveyon< anyUNKNOWN
ubuntu18.04noarchx11vnc< anyUNKNOWN
ubuntu20.04noarchx11vnc< anyUNKNOWN
ubuntu22.04noarchx11vnc< anyUNKNOWN
ubuntu23.10noarchx11vnc< anyUNKNOWN
ubuntu24.04noarchx11vnc< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	20.04	noarch	libvncserver	< 0.9.12+dfsg-9ubuntu0.2	UNKNOWN
ubuntu	20.04	noarch	veyon	< any	UNKNOWN
ubuntu	22.04	noarch	veyon	< any	UNKNOWN
ubuntu	23.10	noarch	veyon	< any	UNKNOWN
ubuntu	24.04	noarch	veyon	< any	UNKNOWN
ubuntu	18.04	noarch	x11vnc	< any	UNKNOWN
ubuntu	20.04	noarch	x11vnc	< any	UNKNOWN
ubuntu	22.04	noarch	x11vnc	< any	UNKNOWN
ubuntu	23.10	noarch	x11vnc	< any	UNKNOWN
ubuntu	24.04	noarch	x11vnc	< any	UNKNOWN