CVE-2020-3929— GeoVision Door Access Control Device - Shared cryptographic keys
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I. Basic Information for CVE-2020-3929
Vulnerability Information
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Vulnerability Title
GeoVision Door Access Control Device - Shared cryptographic keys
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
多款GeoVision产品加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GeoVision GV-GF192x等都是中国台湾奇偶科技（GeoVision）公司的一款门禁控制设备。 多款GeoVision产品中存在安全漏洞，该漏洞源于SSH和HTTPS链接使用共享的加密私钥。攻击者可通过实施中间人攻击利用该漏洞解析相关设备的连线封包。以下产品及版本受到影响：GeoVision GV-AS210 v2.21之前版本；GV-AS410 v2.21之前版本；GV-AS810 v2.21之前版本；GV-GF192x v1.10之前版本；GV-AS1010 v1.32之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| GeoVision | Door Access Control Device | GV-AS210 ~ 2.21 | - |
II. Public POCs for CVE-2020-3929
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.twcert.org.tw/tw/cp-132-3696-6601c-1.htmlx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2020-3929
Same Patch Batch · GeoVision · 2020-06-12 · 3 CVEs total
| CVE-2020-3928 | 6.2 MEDIUM | GeoVision Door Access Control Device - Hardcoded privileged password |
| CVE-2020-3930 | 4.0 MEDIUM | GeoVision Door Access Control Device - Information disclosure vulnerability |
IV. Related Vulnerabilities
Same vendor: GeoVision
- CVE-2026-4606
GeoVision ERM Improper Privilege Assignment Leads to SYSTEM- - CVE-2021-47795
GeoVision Geowebserver 5.3.3 - Local FIle Inclusion - CVE-2024-12553
GeoVision GV-ASManager Missing Authorization Information Dis - CVE-2024-11120
GeoVision EOL devices - OS Command Injection - CVE-2024-6047
GeoVision EOL device - OS Command Injection
V. Comments for CVE-2020-3929
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