GSD-2020-5539

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
GRANDIT Ver.1.6, Ver.2.0, Ver.2.1, Ver.2.2, Ver.2.3, and Ver.3.0 do not properly manage sessions, which allows remote attackers to impersonate an arbitrary user and then alter or disclose the information via unspecified vectors.
Aliases
Aliases
CVE-2020-5539
To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-5539",
    "description": "GRANDIT Ver.1.6, Ver.2.0, Ver.2.1, Ver.2.2, Ver.2.3, and Ver.3.0 do not properly manage sessions, which allows remote attackers to impersonate an arbitrary user and then alter or disclose the information via unspecified vectors.",
    "id": "GSD-2020-5539"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-5539"
      ],
      "details": "GRANDIT Ver.1.6, Ver.2.0, Ver.2.1, Ver.2.2, Ver.2.3, and Ver.3.0 do not properly manage sessions, which allows remote attackers to impersonate an arbitrary user and then alter or disclose the information via unspecified vectors.",
      "id": "GSD-2020-5539",
      "modified": "2023-12-13T01:22:03.317817Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "vultures@jpcert.or.jp",
        "ID": "CVE-2020-5539",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "GRANDIT",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "Ver.1.6, Ver.2.0, Ver.2.1, Ver.2.2, Ver.2.3, and Ver.3.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "GRANDIT CORPORATION"
            }
          ]
        }
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      "data_format": "MITRE",
      "data_type": "CVE",
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            "value": "GRANDIT Ver.1.6, Ver.2.0, Ver.2.1, Ver.2.2, Ver.2.3, and Ver.3.0 do not properly manage sessions, which allows remote attackers to impersonate an arbitrary user and then alter or disclose the information via unspecified vectors."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Fails to manage sessions"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://jvn.jp/en/jp/JVN73472345/index.html",
            "refsource": "MISC",
            "url": "https://jvn.jp/en/jp/JVN73472345/index.html"
          },
          {
            "name": "https://www.grandit.jp/etc/20200228_letter.pdf",
            "refsource": "MISC",
            "url": "https://www.grandit.jp/etc/20200228_letter.pdf"
          }
        ]
      }
    },
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:grandit:grandit:1.6:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:grandit:grandit:2.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
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                "cpe_name": [],
                "vulnerable": true
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                "cpe_name": [],
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                "cpe23Uri": "cpe:2.3:a:grandit:grandit:2.3:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
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              {
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                "cpe_name": [],
                "vulnerable": true
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            "operator": "OR"
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          "ID": "CVE-2020-5539"
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        "description": {
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              "value": "GRANDIT Ver.1.6, Ver.2.0, Ver.2.1, Ver.2.2, Ver.2.3, and Ver.3.0 do not properly manage sessions, which allows remote attackers to impersonate an arbitrary user and then alter or disclose the information via unspecified vectors."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-639"
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://jvn.jp/en/jp/JVN73472345/index.html",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory"
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              "url": "https://jvn.jp/en/jp/JVN73472345/index.html"
            },
            {
              "name": "https://www.grandit.jp/etc/20200228_letter.pdf",
              "refsource": "MISC",
              "tags": [
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              "url": "https://www.grandit.jp/etc/20200228_letter.pdf"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 6.4,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 2.5
        }
      },
      "lastModifiedDate": "2020-03-04T19:56Z",
      "publishedDate": "2020-03-02T08:15Z"
    }
  }
}


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Detection rules are retrieved from Rulezet.