CVE-2021-20590

HIGH
7.5
CVSS Score
Published: April 22, 2021 at 06:54 PM UTC
Updated: June 17, 2026 at 03:34 AM UTC
16 products affected across 1 vendorGOT2000 GT27 FirmwareGOT2000 GT25 FirmwareGt2107-wtsd Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 01.39.010
mitsubishielectric-got2000-gt25 (same device)
v ≤ 01.39.010
mitsubishielectric-got2000-gt27 (same device)
v ≤ 01.40.000
mitsubishielectric-gs2107-wtbd-n (same device)
v ≤ 01.40.000
mitsubishielectric-gs2110-wtbd-n (same device)
v ≤ 01.40.000
mitsubishielectric-gt2107-wtbd (same device)
v ≤ 01.40.000
mitsubishielectric-gt2107-wtsd (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287

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