CVE-2020-3929

GeoVision Door Access Control Device - Shared cryptographic keys

MEDIUM

5.9

CVSS Score

Published: June 12, 2020 at 08:25 AM UTC

Updated: June 17, 2026 at 03:19 AM UTC

11 products affected across 2 vendorsGeovision Gv GF192X FirmwareGeovision Gv AS210 FirmwareGeovision Gv AS410 Firmware

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Severity

MEDIUM5.9

Exploit prediction

EPSS 0.5%

Description

GeoVision Door Access Control device family employs shared cryptographic private keys for SSH and HTTPS. Attackers may conduct MITM attack with the derived keys and plaintext recover of encrypted messages.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Geovision Gv AS1010 Firmware · Usavisionsys

95%

v < 1.32

Affected range stops below 1.32, so it looks safe — our inference, not a vendor statement

usavisionsys-geovision-gv-as1010 (same device)

Geovision Gv AS210 Firmware · Usavisionsys

95%

v < 2.21

Affected range stops below 2.21, so it looks safe — our inference, not a vendor statement

usavisionsys-geovision-gv-as210 (same device)

Geovision Gv AS410 Firmware · Usavisionsys

95%

v < 2.21

Affected range stops below 2.21, so it looks safe — our inference, not a vendor statement

usavisionsys-geovision-gv-as410 (same device)

Geovision Gv AS810 Firmware · Usavisionsys

95%

v < 2.21

Affected range stops below 2.21, so it looks safe — our inference, not a vendor statement

usavisionsys-geovision-gv-as810 (same device)

Geovision Gv GF192X Firmware · Usavisionsys

95%

v < 1.10

Affected range stops below 1.10, so it looks safe — our inference, not a vendor statement

usavisionsys-geovision-gv-gf192x (same device)

Door Access Control Device · Geovision

60%

GV-AS1010 ≤ v ≤ 1.32GV-AS210 ≤ v ≤ 2.21GV-AS410 ≤ v ≤ 2.21GV-AS810 ≤ v ≤ 2.21GV-GF192x ≤ v ≤ 1.10GV-AS1010 GV-AS210 GV-AS410 GV-AS810 GV-GF192x

Geovision Gv-As1010 · Usavisionsysdevice

80%

All versions

Geovision Gv-As210 · Usavisionsysdevice

80%

All versions

Geovision Gv-As410 · Usavisionsysdevice

80%

All versions

Geovision Gv-As810 · Usavisionsysdevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCThird Party Advisory

Source: [email protected]

https://www.twcert.org.tw/tw/cp-132-3696-6601c-1.html

CVSS

5.9MEDIUMtwcert

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-326

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