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CVE-2021-28042

Estado: ModificadaAlta (7.8)—

Deutsche Post Mailoptimizer 4.3 before 2020-11-09 allows Directory Traversal via a crafted ZIP archive to the Upload feature or the MO Connect component. This can lead to remote code execution.

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)

Deutschepost — Mailoptimizer

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-28042",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 8.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 8.5,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-03-05T22:15:12.473",
  "references": [
    {
      "url": "https://herolab.usd.de/security-advisories/usd-2020-0028/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.deutschepost.de/de/m/mailoptimizer.html",
      "tags": [
        "Product"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://herolab.usd.de/security-advisories/usd-2020-0028/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.deutschepost.de/de/m/mailoptimizer.html",
      "tags": [
        "Product"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Deutsche Post Mailoptimizer 4.3 before 2020-11-09 allows Directory Traversal via a crafted ZIP archive to the Upload feature or the MO Connect component. This can lead to remote code execution."
    },
    {
      "lang": "es",
      "value": "Deutsche Post Mailoptimizer versiones 4.3 antes del 09-11-2020, permite un Salto de Directorio por medio de un archivo ZIP diseñado a la funcionalidad Upload o al componente MO Connect. Esto puede conllevar a una ejecución de código remota"
    }
  ],
  "lastModified": "2026-06-17T03:45:46.213",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:deutschepost:mailoptimizer:4.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B770FCED-6A36-481C-B531-3DAFAD2AA57F"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}