CVE-2021-20590

HIGH

GOT2000/GOT SIMPLE <1.40 - Auth Bypass

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Third Party Advisory x_refsource_confirm
https://jvn.jp/vu/JVNVU97615777/index.html

Scores

CVSS v3 7.5
EPSS 0.0026
EPSS Percentile 49.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CWE
CWE-287
Status published
Products (6)
mitsubishielectric/got2000_gt25_firmware < 01.39.010
mitsubishielectric/got2000_gt27_firmware < 01.39.010
mitsubishielectric/gs2107-wtbd-n_firmware < 01.40.000
mitsubishielectric/gs2110-wtbd-n_firmware < 01.40.000
mitsubishielectric/gt2107-wtbd_firmware < 01.40.000
mitsubishielectric/gt2107-wtsd_firmware < 01.40.000
Published Apr 22, 2021
Tracked Since Feb 18, 2026