CVE-2021-20590 (GCVE-0-2021-20590)

Vulnerability from cvelistv5 – Published: 2021-04-22 18:54 – Updated: 2024-08-03 17:45
VLAI
Summary
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.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE
  • Improper authentication
Assigner
References
Impacted products
Vendor Product Version
n/a GOT2000 series GT27 model Affected: VNC server version 01.39.010 and prior
n/a GOT2000 series GT25 model Affected: VNC server version 01.39.010 and prior
n/a GOT2000 series GT21 model GT2107-WTBD Affected: VNC server version 01.40.000 and prior
n/a GOT2000 series GT21 model GT2107-WTSD Affected: VNC server version 01.40.000 and prior
n/a GOT SIMPLE series GS21 model GS2110-WTBD-N Affected: VNC server version 01.40.000 and prior
n/a GOT SIMPLE series GS21 model GS2107-WTBD-N Affected: VNC server version 01.40.000 and prior
Show details on NVD website
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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.