What’s Vulnerable › Vulnerabilities

CVE-2020-3928: GeoVision Door Access Control Device - Hardcoded privileged password

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-06-12 · updated 2026-06-17
• Weakness: CWE-798

Description

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

Affected products

• Usavisionsys Geovision Gv-As1010 Firmware: before 1.32 — fixed in 1.32
• Usavisionsys Geovision Gv-As210 Firmware: before 2.21 — fixed in 2.21
• Usavisionsys Geovision Gv-As410 Firmware: before 2.21 — fixed in 2.21
• Usavisionsys Geovision Gv-As810 Firmware: before 2.21 — fixed in 2.21
• Usavisionsys Geovision Gv-Gf192X Firmware: before 1.10 — fixed in 1.10

How to fix

Upgrade to a fixed version: Usavisionsys Geovision Gv-As1010 Firmware 1.32; Usavisionsys Geovision Gv-As210 Firmware 2.21; Usavisionsys Geovision Gv-As410 Firmware 2.21; Usavisionsys Geovision Gv-As810 Firmware 2.21; Usavisionsys Geovision Gv-Gf192X Firmware 1.10. Check the vendor advisory for mitigations.

References

• https://www.twcert.org.tw/tw/cp-132-3695-9e72d-1.html
• https://www.twcert.org.tw/tw/cp-132-3695-9e72d-1.html

Get alerted when CVE-2020-3928 or the next vulnerability affects your stack