CVE-2020-14399

2020-06-1700:00:00

ubuntu.com

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

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

EPSS

0.019

Percentile

88.7%

JSON

DISPUTED An issue was discovered in LibVNCServer before 0.9.13.
Byte-aligned data is accessed through uint32_t pointers in
libvncclient/rfbproto.c. NOTE: there is reportedly “no trust boundary
crossed.”

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlibvncserver< 0.9.11+dfsg-1ubuntu1.3UNKNOWN
ubuntu20.04noarchlibvncserver< 0.9.12+dfsg-9ubuntu0.2UNKNOWN
ubuntu16.04noarchlibvncserver< 0.9.10+dfsg-3ubuntu0.16.04.5UNKNOWN
ubuntu20.04noarchveyon< anyUNKNOWN
ubuntu22.04noarchveyon< anyUNKNOWN
ubuntu24.04noarchveyon< anyUNKNOWN
ubuntu18.04noarchx11vnc< anyUNKNOWN
ubuntu20.04noarchx11vnc< anyUNKNOWN
ubuntu22.04noarchx11vnc< anyUNKNOWN
ubuntu24.04noarchx11vnc< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	libvncserver	< 0.9.11+dfsg-1ubuntu1.3	UNKNOWN
ubuntu	20.04	noarch	libvncserver	< 0.9.12+dfsg-9ubuntu0.2	UNKNOWN
ubuntu	16.04	noarch	libvncserver	< 0.9.10+dfsg-3ubuntu0.16.04.5	UNKNOWN
ubuntu	20.04	noarch	veyon	< any	UNKNOWN
ubuntu	22.04	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	24.04	noarch	x11vnc	< any	UNKNOWN