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CVE-2020-7882

Estado: ModificadaCrítica (9.1)—

Using the parameter of getPFXFolderList function, attackers can see the information of authorization certification and delete the files. It occurs because the parameter contains path traversal characters(ie. '../../../')

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Hancom — Anysign4pc

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-7882",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "vuln@krcert.or.kr",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.1,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "vuln@krcert.or.kr",
      "affectedData": [
        {
          "vendor": "Hancomwith",
          "product": "anySign4PC",
          "versions": [
            {
              "status": "affected",
              "version": "1.1.1.0"
            },
            {
              "status": "affected",
              "version": "1.1.2.6"
            },
            {
              "status": "affected",
              "version": "1.1.2.7"
            }
          ],
          "platforms": [
            "Windows"
          ]
        }
      ]
    }
  ],
  "published": "2021-11-22T15:15:08.987",
  "references": [
    {
      "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36344",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "vuln@krcert.or.kr"
    },
    {
      "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36344",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "vuln@krcert.or.kr",
      "description": [
        {
          "lang": "en",
          "value": "CWE-24"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Using the parameter of getPFXFolderList function, attackers can see the information of authorization certification and delete the files. It occurs because the parameter contains path traversal characters(ie. '../../../')"
    },
    {
      "lang": "es",
      "value": "Usando el parámetro de la función getPFXFolderList, los atacantes pueden visualizar la información de la certificación de autorización y eliminar los archivos. Esto ocurre porque el parámetro contiene caracteres de salto de ruta (es decir, \"../../../\")"
    }
  ],
  "lastModified": "2026-06-17T03:25:36.053",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:hancom:anysign4pc:1.1.1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1AA80D61-5D39-4FBF-82EE-A80AC20242C3"
            },
            {
              "criteria": "cpe:2.3:a:hancom:anysign4pc:1.1.2.6:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8080FFAC-F606-4D98-BA1A-03F1C7CB36D8"
            },
            {
              "criteria": "cpe:2.3:a:hancom:anysign4pc:1.1.2.7:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "17EB3BD3-0AEE-435A-80B2-FC3D26A190F9"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "vuln@krcert.or.kr"
}