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cveMitreCVE-2020-14405
HistoryJun 17, 2020 - 4:15 p.m.

CVE-2020-14405

2020-06-1716:15:12
CWE-770
mitre
web.nvd.nist.gov
136
cve-2020-14405
libvncserver
textchat
security vulnerability
nvd

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.7

Confidence

High

EPSS

0.002

Percentile

55.4%

JSON

An issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextChat size.

Affected configurations

Nvd
Node
libvnc_projectlibvncserverRange<0.9.12
Node
canonicalubuntu_linuxMatch14.04lts
OR
canonicalubuntu_linuxMatch16.04esm
OR
canonicalubuntu_linuxMatch16.04lts
OR
canonicalubuntu_linuxMatch18.04lts
OR
canonicalubuntu_linuxMatch18.10
Node
debiandebian_linuxMatch8.0
OR
debiandebian_linuxMatch9.0
Node
siemenssimatic_itc1500_firmwareRange3.0.0.0–3.2.1.0
AND
siemenssimatic_itc1500Match-
Node
siemenssimatic_itc1500_pro_firmwareRange3.0.0.0–3.2.1.0
AND
siemenssimatic_itc1500_proMatch-
Node
siemenssimatic_itc1900_firmwareRange3.0.0.0–3.2.1.0
AND
siemenssimatic_itc1900Match-
Node
siemenssimatic_itc1900_pro_firmwareRange3.0.0.0–3.2.1.0
AND
siemenssimatic_itc1900_proMatch-
Node
siemenssimatic_itc2200_firmwareRange3.0.0.0–3.2.1.0
AND
siemenssimatic_itc2200Match-
Node
siemenssimatic_itc2200_pro_firmwareRange3.0.0.0–3.2.1.0
AND
siemenssimatic_itc2200_proMatch-

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CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.7

Confidence

High

EPSS

0.002

Percentile

55.4%

JSON
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