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CVE-2021-33707

Estado: ModificadaMedia (6.1)—

SAP NetWeaver Knowledge Management allows remote attackers to redirect users to arbitrary websites and conduct phishing attacks via a URL stored in a component. This could enable the attacker to compromise the user's confidentiality and integrity.

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 Knowledge Management

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-33707",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "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
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "cna@sap.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.0",
          "baseScore": 6.1,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.8
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.1,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cna@sap.com",
      "affectedData": [
        {
          "vendor": "SAP SE",
          "product": "SAP NetWeaver (Knowledge Management)",
          "versions": [
            {
              "status": "affected",
              "version": "< 7.30"
            },
            {
              "status": "affected",
              "version": "< 7.31"
            },
            {
              "status": "affected",
              "version": "< 7.40"
            },
            {
              "status": "affected",
              "version": "< 7.50"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-08-10T15:15:08.150",
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/165748/SAP-Enterprise-Portal-Open-Redirect.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cna@sap.com"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2022/Jan/73",
      "tags": [
        "Mailing List",
        "Mitigation",
        "Third Party Advisory"
      ],
      "source": "cna@sap.com"
    },
    {
      "url": "https://launchpad.support.sap.com/#/notes/3076399",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
      ],
      "source": "cna@sap.com"
    },
    {
      "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=582222806",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cna@sap.com"
    },
    {
      "url": "http://packetstormsecurity.com/files/165748/SAP-Enterprise-Portal-Open-Redirect.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2022/Jan/73",
      "tags": [
        "Mailing List",
        "Mitigation",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://launchpad.support.sap.com/#/notes/3076399",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=582222806",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@sap.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-601"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-601"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "SAP NetWeaver Knowledge Management allows remote attackers to redirect users to arbitrary websites and conduct phishing attacks via a URL stored in a component. This could enable the attacker to compromise the user's confidentiality and integrity."
    },
    {
      "lang": "es",
      "value": "SAP NetWeaver Knowledge Management, permite a atacantes remotos redirigir a usuarios a sitios web arbitrarios y conducir ataques de phishing por medio de una URL almacenada en un componente. Esto podría permitir al atacante comprometer la confidencialidad e integridad del usuario"
    }
  ],
  "lastModified": "2026-06-17T03:55:04.777",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:sap:netweaver_knowledge_management:7.30:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "69E7BD55-6020-4CF5-9B1C-AAC6161403E0"
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_knowledge_management:7.31:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F6A9823F-8736-44E1-8F51-7149236A85C2"
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_knowledge_management:7.40:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "67365283-2C5E-448E-A9F7-8AA033B57F67"
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_knowledge_management:7.50:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "95298857-D440-4323-ACAE-A1097DBC5C13"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cna@sap.com"
}