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CVE-2021-28093

Estado: ModificadaMedia (6.5)—

OX Documents before 7.10.5-rev5 has Incorrect Access Control of converted images because hash collisions can occur, due to use of Adler32.

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)

Open-xchange — Open-xchange Documents

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-28093",
  "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": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-07-30T14:15:16.017",
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/163569/OX-Documents-7.10.5-Improper-Authorization.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2021/Jul/37",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.open-xchange.com",
      "tags": [
        "Product"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://packetstormsecurity.com/files/163569/OX-Documents-7.10.5-Improper-Authorization.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2021/Jul/37",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.open-xchange.com",
      "tags": [
        "Product"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-326"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "OX Documents before 7.10.5-rev5 has Incorrect Access Control of converted images because hash collisions can occur, due to use of Adler32."
    },
    {
      "lang": "es",
      "value": "OX Documents versiones anteriores a 7.10.5-rev5, presenta un Control de Acceso Incorrecto de imágenes convertidas porque pueden ocurrir colisiones de hash, debido al uso de Adler32"
    }
  ],
  "lastModified": "2026-06-17T03:45:48.073",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:open-xchange:open-xchange_documents:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D28127A3-A3FE-46C2-B8E0-03CB04EC5E66",
              "versionEndExcluding": "7.10.5"
            },
            {
              "criteria": "cpe:2.3:a:open-xchange:open-xchange_documents:7.10.5:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0B75E278-B882-4395-B151-992DF2D8B27D"
            },
            {
              "criteria": "cpe:2.3:a:open-xchange:open-xchange_documents:7.10.5:revision1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DECA13D2-9EB5-44B4-BCE3-6B26E4B72444"
            },
            {
              "criteria": "cpe:2.3:a:open-xchange:open-xchange_documents:7.10.5:revision2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C7226D34-BC97-441D-9538-D07875F31CB6"
            },
            {
              "criteria": "cpe:2.3:a:open-xchange:open-xchange_documents:7.10.5:revision3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8D86F4BA-342B-4BBC-BB07-918677B62A14"
            },
            {
              "criteria": "cpe:2.3:a:open-xchange:open-xchange_documents:7.10.5:revision4:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "ADCC1104-2694-443D-9230-3D465209B878"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}