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CVE-2021-25268

Estado: ModificadaAlta (8.4)—

Multiple XSS vulnerabilities in Webadmin allow for privilege escalation from MySophos admin to SFOS admin in Sophos Firewall older than version 19.0 GA.

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 — Firewall Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-25268",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
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    "cvssMetricV31": [
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        "cvssData": {
          "scope": "CHANGED",
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          "baseScore": 8.4,
          "attackVector": "NETWORK",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H",
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          "userInteraction": "REQUIRED",
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        "impactScore": 6,
        "exploitabilityScore": 1.7
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      {
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          "product": "Sophos Firewall",
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              "version": "unspecified",
              "lessThan": "19.0 GA",
              "versionType": "custom"
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  ],
  "published": "2022-05-05T18:15:09.427",
  "references": [
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      "url": "https://www.sophos.com/en-us/security-advisories/sophos-sa-20220505-sfos-19-0-0",
      "tags": [
        "Vendor Advisory"
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      "source": "security-alert@sophos.com"
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      "tags": [
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      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
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    }
  ],
  "descriptions": [
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      "value": "Multiple XSS vulnerabilities in Webadmin allow for privilege escalation from MySophos admin to SFOS admin in Sophos Firewall older than version 19.0 GA."
    },
    {
      "lang": "es",
      "value": "Múltiples vulnerabilidades de tipo XSS en Webadmin permiten la escalada de privilegios de MySophos admin a SFOS admin en Sophos Firewall versiones anteriores a 19.0 GA"
    }
  ],
  "lastModified": "2026-06-17T03:41:44.513",
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}