CVE-2020-3929 json
GeoVision Door Access Control Device - Shared cryptographic keys
published 2020-06-12 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25194
- cvss
- 5.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 43%
- public exploits
- 0
- none known
Summary
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.
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
Exploit prediction
0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Affected products
- GeoVision Door Access Control Device
Classification
- Weakness
-
- CWE-326 Inadequate Encryption Strength
References
-
twcert.org.tw
/tw/cp-132-3696-6601c-1.html
third-party-advisory
Sources
- CVE List CVE-2020-3929
- NVD CVE-2020-3929
Fencer Vulns 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.