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[email protected]CVE-2020-3929

HistoryJun 12, 2020 - 9:15 a.m.

CVE-2020-3929

2020-06-1209:15:10

CWE-326

[email protected]

web.nvd.nist.gov

geovision

door access control

cve-2020-3929

cryptographic

ssh

https

mitm

nvd

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

6.7 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

48.0%

JSON

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.

Affected configurations

NVD

Node

usavisionsysgeovision_gv-as210_firmwareRange<2.21

AND

usavisionsysgeovision_gv-as210Match-

Node

usavisionsysgeovision_gv-as410_firmwareRange<2.21

AND

usavisionsysgeovision_gv-as410Match-

Node

usavisionsysgeovision_gv-as810_firmwareRange<2.21

AND

usavisionsysgeovision_gv-as810Match-

Node

usavisionsysgeovision_gv-as1010_firmwareRange<1.32

AND

usavisionsysgeovision_gv-as1010Match-

Node

usavisionsysgeovision_gv-gf192x_firmwareRange<1.10

AND

usavisionsysgeovision_gv-gf192xMatch-

CPENameOperatorVersion
usavisionsys:geovision_gv-as210_firmwareusavisionsys geovision gv-as210 firmwarelt2.21

CPE	Name	Operator	Version
usavisionsys:geovision_gv-as210_firmware	usavisionsys geovision gv-as210 firmware	lt	2.21

CNA Affected

[
  {
    "product": "Door Access Control Device",
    "vendor": "GeoVision",
    "versions": [
      {
        "lessThanOrEqual": "2.21",
        "status": "affected",
        "version": "GV-AS210",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "2.21",
        "status": "affected",
        "version": "GV-AS410",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "2.21",
        "status": "affected",
        "version": "GV-AS810",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "1.10",
        "status": "affected",
        "version": "GV-GF192x",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "1.32",
        "status": "affected",
        "version": "GV-AS1010",
        "versionType": "custom"
      }
    ]
  }
]

References

www.twcert.org.tw/tw/cp-132-3696-6601c-1.html

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

6.7 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

48.0%

JSON

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