MEDIUM
CVE-2020-3929
CWE-326Published: June 12, 2020· Updated: Jun 17, 2026
5.9
CVSS v3.1
Official 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.
Technical Analysis
CVE-2020-3929 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 5.9.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Vendors & Products
usavisionsys10 product(s)
geovision gv-as210 firmwaregeovision gv-as210geovision gv-as410 firmwaregeovision gv-as410geovision gv-as810 firmwaregeovision gv-as810geovision gv-as1010 firmwaregeovision gv-as1010geovision gv-gf192x firmwaregeovision gv-gf192x
Source: NVD CPE · 10 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (2)
→
https://www.twcert.org.tw/tw/cp-132-3696-6601c-1.htmlThird Party Advisory
→
https://www.twcert.org.tw/tw/cp-132-3696-6601c-1.htmlThird Party Advisory
Quick Facts
CVE IDCVE-2020-3929
CVSS Score5.9 / 10
SeverityMEDIUM
WeaknessCWE-326
CISA KEVNo
Affected1 vendor(s)
PublishedJun 12, 2020
Related CVEs (CWE-326)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-3929 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.