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VAR-202006-1299

Vulnerability from variot - Updated: 2024-11-23 21:51

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

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CVE-2020-3929 (GCVE-0-2020-3929)

Vulnerability from cvelistv5 – Published: 2020-06-12 08:25 – Updated: 2024-09-17 02:26

Title

GeoVision Door Access Control Device - Shared cryptographic keys

Summary

Severity ?

5.9 (Medium)


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

CWE

Shared cryptographic keys

Assigner

twcert

References

URL

Tags

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

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	GeoVision	Door Access Control Device	Affected: GV-AS210 , ≤ 2.21 (custom) Affected: GV-AS410 , ≤ 2.21 (custom) Affected: GV-AS810 , ≤ 2.21 (custom) Affected: GV-GF192x , ≤ 1.10 (custom) Affected: GV-AS1010 , ≤ 1.32 (custom)

Show details on NVD website

JSON

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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Shared cryptographic keys",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-06-12T08:25:23",
        "orgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e",
        "shortName": "twcert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.twcert.org.tw/tw/cp-132-3696-6601c-1.html"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Update to version 2.22 in GV-AS210\nUpdate to version 2.22 in GV-AS410\nUpdate to version 2.22 in GV-AS810\nUpdate to version 1.22 in GV-GF192x\nUpdate to version 1.33 in GV-AS1010"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "GeoVision Door Access Control Device - Shared cryptographic keys",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "AKA": "TWCERT/CC",
          "ASSIGNER": "cve@cert.org.tw",
          "DATE_PUBLIC": "2020-06-12T08:00:00.000Z",
          "ID": "CVE-2020-3929",
          "STATE": "PUBLIC",
          "TITLE": "GeoVision Door Access Control Device - Shared cryptographic keys"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Door Access Control Device",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_name": "GV-AS210",
                            "version_value": "2.21"
                          },
                          {
                            "version_affected": "\u003c=",
                            "version_name": "GV-AS410",
                            "version_value": "2.21"
                          },
                          {
                            "version_affected": "\u003c=",
                            "version_name": "GV-AS810",
                            "version_value": "2.21"
                          },
                          {
                            "version_affected": "\u003c=",
                            "version_name": "GV-GF192x",
                            "version_value": "1.10"
                          },
                          {
                            "version_affected": "\u003c=",
                            "version_name": "GV-AS1010",
                            "version_value": "1.32"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "GeoVision"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "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."
            }
          ]
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        },
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          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Shared cryptographic keys"
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        },
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          "reference_data": [
            {
              "name": "https://www.twcert.org.tw/tw/cp-132-3696-6601c-1.html",
              "refsource": "MISC",
              "url": "https://www.twcert.org.tw/tw/cp-132-3696-6601c-1.html"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "Update to version 2.22 in GV-AS210\nUpdate to version 2.22 in GV-AS410\nUpdate to version 2.22 in GV-AS810\nUpdate to version 1.22 in GV-GF192x\nUpdate to version 1.33 in GV-AS1010"
          }
        ],
        "source": {
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e",
    "assignerShortName": "twcert",
    "cveId": "CVE-2020-3929",
    "datePublished": "2020-06-12T08:25:23.476254Z",
    "dateReserved": "2019-12-20T00:00:00",
    "dateUpdated": "2024-09-17T02:26:42.600Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

VAR-202006-1299

CVE-2020-3929 (GCVE-0-2020-3929)

Tags

Sightings

Nomenclature