{
  "id": "CVE-2021-28428",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2022-04-05T16:15:11.880",
  "lastModified": "2022-04-15T20:16:10.470",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "File upload vulnerability in HorizontCMS before 1.0.0-beta.3 via uploading a .htaccess and *.hello files using the Media Files upload functionality. The original file upload vulnerability (CVE-2020-27387) was remediated by restricting the PHP extensions; however, we confirmed that the filter was bypassed via uploading an arbitrary .htaccess and *.hello files in order to execute PHP code to gain RCE."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la carga de archivos en HorizontCMS versiones anteriores a 1.0.0-beta.3, por medio de una carga de archivos .htaccess y *.hello usando la funcionalidad Media Files upload. La vulnerabilidad original en la carga de archivos (CVE-2020-27387) fue corregida al restringir las Extensions de PHP; sin embargo, confirmamos que el filtro fue evitado por medio de la carga de un archivo arbitrario .htaccess y *.hello para ejecutar c\u00f3digo PHP y conseguir un RCE"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:-:*:*:*:*:*:*",
              "matchCriteriaId": "0837AB3F-932A-464D-B078-041C1D167681"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:alpha:*:*:*:*:*:*",
              "matchCriteriaId": "819778BF-D6F0-41DE-ADF2-3BB80E05DD93"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:alpha2:*:*:*:*:*:*",
              "matchCriteriaId": "BDF18A37-08AC-4501-8C15-151DE7B44DED"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:alpha3:*:*:*:*:*:*",
              "matchCriteriaId": "E6F3AB6F-BD6E-4F8C-952F-AB55E11D7D23"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:alpha4:*:*:*:*:*:*",
              "matchCriteriaId": "C1817B54-40E9-4150-8A24-2023FD19BB43"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:alpha5:*:*:*:*:*:*",
              "matchCriteriaId": "A6585D37-41CF-436A-A4AA-F91AE092D288"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:alpha6:*:*:*:*:*:*",
              "matchCriteriaId": "E496572C-0A79-4524-B544-E864FBFEDFD8"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:alpha7:*:*:*:*:*:*",
              "matchCriteriaId": "A7117177-3CD2-4BE9-982A-FBFEF60A7C23"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:alpha8:*:*:*:*:*:*",
              "matchCriteriaId": "EB1E6057-C7F5-4D4F-B112-437C801DCCF4"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:beta:*:*:*:*:*:*",
              "matchCriteriaId": "320BB8EF-D310-4420-9EA9-CA06DFA03DE5"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:beta2:*:*:*:*:*:*",
              "matchCriteriaId": "9840814D-4A55-468B-8F55-EEEE82D7EA29"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/ttimot24/HorizontCMS",
      "source": "cve@mitre.org",
      "tags": [
        "Product"
      ]
    },
    {
      "url": "https://github.com/ttimot24/HorizontCMS/commit/9c4d6827cbe96decec6834d53660e14ab2bf8838",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    }
  ]
}