Vulnerability Details : CVE-2020-3929
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.
Products affected by CVE-2020-3929
- cpe:2.3:o:usavisionsys:geovision_gv-as210_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:usavisionsys:geovision_gv-as410_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:usavisionsys:geovision_gv-as810_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:usavisionsys:geovision_gv-as1010_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:usavisionsys:geovision_gv-gf192x_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-3929
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 29 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-3929
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
|
5.9
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.2
|
3.6
|
NIST | |
|
5.9
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.2
|
3.6
|
TWCERT/CC |
CWE ids for CVE-2020-3929
-
The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-3929
-
https://www.twcert.org.tw/tw/cp-132-3696-6601c-1.html
TWCERT/CC台灣電腦網路危機處理暨協調中心-資安服務-台灣漏洞揭露平台 (TVN)-TVN (Taiwan Vulnerability Note) 漏洞公告-GeoVision門禁控制設備 - Shared cryptographic keysThird Party Advisory
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