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TwcertCVELIST:CVE-2020-3929

HistoryJun 12, 2020 - 8:25 a.m.

CVE-2020-3929 GeoVision Door Access Control Device - Shared cryptographic keys

2020-06-1208:25:23

twcert

www.cve.org

CVSS3

5.9

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

AI Score

5.9

Confidence

High

EPSS

0.001

Percentile

47.9%

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.

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

CVSS3

5.9

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

AI Score

5.9

Confidence

High

EPSS

0.001

Percentile

47.9%

JSON

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