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CVE-2021-21491

Estado: ModificadaMedia (6.1)—

SAP Netweaver Application Server Java (Applications based on WebDynpro Java) versions 7.00, 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allow an attacker to redirect users to a malicious site due to Reverse Tabnabbing vulnerabilities.

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)

SAP — Netweaver Application Server Java

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-21491",
  "cveTags": [],
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        "source": "nvd@nist.gov",
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          "baseScore": 5.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
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    ],
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          "version": "3.0",
          "baseScore": 4.7,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
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  "affected": [
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      "source": "cna@sap.com",
      "affectedData": [
        {
          "vendor": "SAP SE",
          "product": "SAP NetWeaver Application Server Java (Applications based on Web Dynpro Java)",
          "versions": [
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              "status": "affected",
              "version": "< 7.00"
            },
            {
              "status": "affected",
              "version": "< 7.10"
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            {
              "status": "affected",
              "version": "< 7.11"
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            {
              "status": "affected",
              "version": "< 7.20"
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              "status": "affected",
              "version": "< 7.30"
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              "status": "affected",
              "version": "< 731"
            },
            {
              "status": "affected",
              "version": "< 7.40"
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              "status": "affected",
              "version": "< 7.50"
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  ],
  "published": "2021-03-10T15:15:12.820",
  "references": [
    {
      "url": "https://launchpad.support.sap.com/#/notes/2976947",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
      ],
      "source": "cna@sap.com"
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    {
      "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=571343107",
      "tags": [
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      "url": "https://launchpad.support.sap.com/#/notes/2976947",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-601"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "SAP Netweaver Application Server Java (Applications based on WebDynpro Java) versions 7.00, 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allow an attacker to redirect users to a malicious site due to Reverse Tabnabbing vulnerabilities."
    },
    {
      "lang": "es",
      "value": "SAP Netweaver Application Server Java (Aplicaciones basadas en WebDynpro Java) versiones 7.00, 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, permiten a un atacante redireccionar a usuarios a un sitio malicioso debido a vulnerabilidades de Reverse Tabnabbing"
    }
  ],
  "lastModified": "2026-06-17T03:35:40.563",
  "configurations": [
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}