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Fencer Intel
medium 6.2

CVE-2020-3928 json

GeoVision Door Access Control Device - Hardcoded privileged password

published 6y ago modified 4mo ago also EUVD-2020-25193

cvss
6.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

GeoVision Door Access Control device family is hardcoded with a root password, which adopting an identical password in all devices.

Patch / fix

  • usavisionsys geovision_gv-as210_firmware 2.21
  • usavisionsys geovision_gv-as410_firmware 2.21
  • usavisionsys geovision_gv-as810_firmware 2.21
  • usavisionsys geovision_gv-as1010_firmware 1.32
  • usavisionsys geovision_gv-gf192x_firmware 1.10

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Exploit prediction

0.87% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • GeoVision Door Access Control Device

Classification

Weakness
  • CWE-798 Use of Hard-coded Credentials

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.