CVE-2021-20590 Information

Description

Improper authentication vulnerability in GOT2000 series GT27 model VNC server versions 01.39.010 and prior GOT2000 series GT25 model VNC server versions 01.39.010 and prior GOT2000 series GT21 model GT2107-WTBD VNC server versions 01.40.000 and prior GOT2000 series GT21 model GT2107-WTSD VNC server versions 01.40.000 and prior GOT SIMPLE series GS21 model GS2110-WTBD-N VNC server versions 01.40.000 and prior and GOT SIMPLE series GS21 model GS2107-WTBD-N VNC server versions 01.40.000 and prior allows a remote unauthenticated attacker to gain unauthorized access via specially crafted packets when the \VNC server\ function is used.

CVSS Vector

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

Reference

https://jvn.jp/vu/JVNVU97615777/index.html https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-001_en.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5