Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2020-3929

Severity CVSS v4.0:
Pending analysis
Type:
CWE-326 Inadequate Encryption Strength
Publication date:
12/06/2020
Last modified:
18/06/2020

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.90 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x
5.90
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:M/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:usavisionsys:geovision_gv-as210_firmware:*:*:*:*:*:*:*:* 2.21 (excluding)
cpe:2.3:h:usavisionsys:geovision_gv-as210:-:*:*:*:*:*:*:*
cpe:2.3:o:usavisionsys:geovision_gv-as410_firmware:*:*:*:*:*:*:*:* 2.21 (excluding)
cpe:2.3:h:usavisionsys:geovision_gv-as410:-:*:*:*:*:*:*:*
cpe:2.3:o:usavisionsys:geovision_gv-as810_firmware:*:*:*:*:*:*:*:* 2.21 (excluding)
cpe:2.3:h:usavisionsys:geovision_gv-as810:-:*:*:*:*:*:*:*
cpe:2.3:o:usavisionsys:geovision_gv-as1010_firmware:*:*:*:*:*:*:*:* 1.32 (excluding)
cpe:2.3:h:usavisionsys:geovision_gv-as1010:-:*:*:*:*:*:*:*
cpe:2.3:o:usavisionsys:geovision_gv-gf192x_firmware:*:*:*:*:*:*:*:* 1.10 (excluding)
cpe:2.3:h:usavisionsys:geovision_gv-gf192x:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools