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CVE-2018-2492

Estado: ModificadaAlta (7.1)—

SAML 2.0 functionality in SAP NetWeaver AS Java, does not sufficiently validate XML documents received from an untrusted source. This is fixed in versions 7.2, 7.30, 7.31, 7.40 and 7.50.

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)

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{
  "id": "CVE-2018-2492",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 4.2,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cna@sap.com",
      "affectedData": [
        {
          "vendor": "SAP",
          "product": "SAP NetWeaver Application Server (Java Library)",
          "versions": [
            {
              "status": "affected",
              "version": "= 7.20"
            },
            {
              "status": "affected",
              "version": "= 7.30"
            },
            {
              "status": "affected",
              "version": "= 7.31"
            },
            {
              "status": "affected",
              "version": "= 7.50"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-12-11T22:29:00.297",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/106153",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cna@sap.com"
    },
    {
      "url": "https://launchpad.support.sap.com/#/notes/2642680",
      "tags": [
        "Permissions Required"
      ],
      "source": "cna@sap.com"
    },
    {
      "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=508559699",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cna@sap.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/106153",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://launchpad.support.sap.com/#/notes/2642680",
      "tags": [
        "Permissions Required"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=508559699",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-611"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "SAML 2.0 functionality in SAP NetWeaver AS Java, does not sufficiently validate XML documents received from an untrusted source. This is fixed in versions 7.2, 7.30, 7.31, 7.40 and 7.50."
    },
    {
      "lang": "es",
      "value": "La funcionalidad de SAML 2.0 en SAP NetWeaver AS Java no valida lo suficiente los documentos XML recibidos de una fuente no fiable. La vulnerabilidad se ha solucionado en las versiones 7.2, 7.30, 7.31, 7.40 y 7.50."
    }
  ],
  "lastModified": "2026-06-17T01:55:47.160",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_java:7.20:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "43A28C48-4325-4694-88B1-FEE46EBFB0A6"
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_java:7.30:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "24A1E0B9-8C28-41BC-B050-237B5F929C9C"
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_java:7.31:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EEAE6C2A-821F-4123-BD56-0FDADF9D63C8"
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_java:7.40:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F5308FCE-8B2C-4B4D-BEE7-3CF544570B68"
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_java:7.50:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9C506445-3787-4BFF-A98B-7502A0F7CF80"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cna@sap.com"
}