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CVE-2021-20590

CVE.org · Published

Historical CVEsJSONAI instructions

Record status
Published
Identifier year (not publication year)
2021
Source publication
Source updated
Imported by cveboard
Source snapshot
cve_2026-10-24_midnight_baseline ·

Plain text

CNA source text (English)

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.

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

GOT2000 series GT27 model

Vendor
n/a
Product
GOT2000 series GT27 model
Platforms
Unknown
Default status
Unknown
GOT2000 series GT27 model · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
VNC server version 01.39.010 and prioraffectedUnavailableUnavailableUnavailableNone listed

GOT2000 series GT25 model

Vendor
n/a
Product
GOT2000 series GT25 model
Platforms
Unknown
Default status
Unknown
GOT2000 series GT25 model · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
VNC server version 01.39.010 and prioraffectedUnavailableUnavailableUnavailableNone listed

GOT2000 series GT21 model GT2107-WTBD

Vendor
n/a
Product
GOT2000 series GT21 model GT2107-WTBD
Platforms
Unknown
Default status
Unknown
GOT2000 series GT21 model GT2107-WTBD · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
VNC server version 01.40.000 and prioraffectedUnavailableUnavailableUnavailableNone listed

GOT2000 series GT21 model GT2107-WTSD

Vendor
n/a
Product
GOT2000 series GT21 model GT2107-WTSD
Platforms
Unknown
Default status
Unknown
GOT2000 series GT21 model GT2107-WTSD · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
VNC server version 01.40.000 and prioraffectedUnavailableUnavailableUnavailableNone listed

GOT SIMPLE series GS21 model GS2110-WTBD-N

Vendor
n/a
Product
GOT SIMPLE series GS21 model GS2110-WTBD-N
Platforms
Unknown
Default status
Unknown
GOT SIMPLE series GS21 model GS2110-WTBD-N · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
VNC server version 01.40.000 and prioraffectedUnavailableUnavailableUnavailableNone listed

GOT SIMPLE series GS21 model GS2107-WTBD-N

Vendor
n/a
Product
GOT SIMPLE series GS21 model GS2107-WTBD-N
Platforms
Unknown
Default status
Unknown
GOT SIMPLE series GS21 model GS2107-WTBD-N · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
VNC server version 01.40.000 and prioraffectedUnavailableUnavailableUnavailableNone listed