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CVE-2021-25265

Estado: ModificadaAlta (8.8)—

A malicious website could execute code remotely in Sophos Connect Client before version 2.1.

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)

Sophos — Connect

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-25265",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "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": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/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": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security-alert@sophos.com",
      "affectedData": [
        {
          "vendor": "Sophos",
          "product": "Sophos Connect Client",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "2.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-03-22T18:15:14.480",
  "references": [
    {
      "url": "https://community.sophos.com/b/security-blog",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security-alert@sophos.com"
    },
    {
      "url": "https://community.sophos.com/b/security-blog/posts/resolved-rce-in-sophos-connect-client-for-windows-cve-2021-25265",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security-alert@sophos.com"
    },
    {
      "url": "https://community.sophos.com/b/security-blog",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://community.sophos.com/b/security-blog/posts/resolved-rce-in-sophos-connect-client-for-windows-cve-2021-25265",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A malicious website could execute code remotely in Sophos Connect Client before version 2.1."
    },
    {
      "lang": "es",
      "value": "Un sitio web malicioso podría ejecutar código remotamente en Sophos Connect Client versiones anteriores a 2.1"
    }
  ],
  "lastModified": "2026-06-17T03:41:44.193",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "ED6F654F-471D-41B7-82B6-B8EAA1E879BC",
              "versionEndExcluding": "2.1"
            }
          ],
          "operator": "OR"
        },
        {
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          "cpeMatch": [
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            }
          ],
          "operator": "OR"
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      ],
      "operator": "AND"
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  ],
  "sourceIdentifier": "security-alert@sophos.com"
}