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CVE-2021-25273

Estado: ModificadaMedia (4.8)—

Stored XSS can execute as administrator in quarantined email detail view in Sophos UTM before version 9.706.

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 — Unified Threat Management

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-25273",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 4.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 1.7
      }
    ]
  },
  "affected": [
    {
      "source": "security-alert@sophos.com",
      "affectedData": [
        {
          "vendor": "Sophos",
          "product": "Sophos UTM",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "9.705"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-07-29T20:15:07.580",
  "references": [
    {
      "url": "http://seclists.org/fulldisclosure/2021/Dec/3",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "security-alert@sophos.com"
    },
    {
      "url": "https://community.sophos.com/utm-firewall/b/blog/posts/utm-up2date-9-706-released",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "security-alert@sophos.com"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2021/Dec/3",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://community.sophos.com/utm-firewall/b/blog/posts/utm-up2date-9-706-released",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Stored XSS can execute as administrator in quarantined email detail view in Sophos UTM before version 9.706."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de tipo XSS almacenado puede ejecutarse como administrador en la visualización de detalles del correo electrónico en cuarentena en Sophos UTM versiones anteriores a 9.706"
    }
  ],
  "lastModified": "2026-06-17T03:41:44.917",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:sophos:unified_threat_management:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2957C11D-35F2-4C1D-B27E-14912B493EEC",
              "versionEndExcluding": "9.706"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security-alert@sophos.com"
}