CVE-2021-20590 - CVE House
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Status published High CVE-2021-20590

Improper authentication vulnerability in GOT2000 series GT27 model VNC server...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

GOT2000 series GT27 model, GOT2000 series GT25 model, GOT2000 series GT21 model GT2107-WTBD, GOT2000 series GT21 model GT2107-WTSD, GOT SIMPLE series GS21 model GS2110-WTBD-N, GOT SIMPLE series GS21 model GS2107-WTBD-N
Vulnerable Versions:
VNC server version 01.39.010 and prior, VNC server version 01.40.000 and prior

Timeline

Official Publish: April 22nd, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.