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CVE-2018-2503

Status: ModifiedHigh (7.4)—

By default, the SAP NetWeaver AS Java keystore service does not sufficiently restrict the access to resources that should be protected. This has been fixed in SAP NetWeaver AS Java (ServerCore versions 7.11, 7.20, 7.30, 7.31, 7.40, 7.50).

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

SAP — Netweaver Application Server Java

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2018-2503",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.3,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.5,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 7.4,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cna@sap.com",
      "affectedData": [
        {
          "vendor": "SAP",
          "product": "SAP NetWeaver AS Java (ServerCore)",
          "versions": [
            {
              "status": "affected",
              "version": "= 7.11"
            },
            {
              "status": "affected",
              "version": "= 7.20"
            },
            {
              "status": "affected",
              "version": "= 7.30"
            },
            {
              "status": "affected",
              "version": "= 7.31"
            },
            {
              "status": "affected",
              "version": "= 7.40"
            },
            {
              "status": "affected",
              "version": "= 7.50"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-12-11T22:29:00.593",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/106156",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cna@sap.com"
    },
    {
      "url": "https://launchpad.support.sap.com/#/notes/2658279",
      "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/106156",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://launchpad.support.sap.com/#/notes/2658279",
      "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-862"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "By default, the SAP NetWeaver AS Java keystore service does not sufficiently restrict the access to resources that should be protected. This has been fixed in SAP NetWeaver AS Java (ServerCore versions 7.11, 7.20, 7.30, 7.31, 7.40, 7.50)."
    },
    {
      "lang": "es",
      "value": "Por defecto, el almacén de claves Java de SAP NetWeaver AS no restringe lo suficiente el acceso a recursos que deberían estar protegidos. Esto ha sido solucionado en SAP NetWeaver AS Java (ServerCore en versiones 7.11, 7.20, 7.30, 7.31, 7.40 y 7.50)."
    }
  ],
  "lastModified": "2026-06-17T01:55:47.793",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_java:7.11:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C6B085AF-8CEE-4A87-B381-F36C989FB2A0"
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_java:7.20:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "43A28C48-4325-4694-88B1-FEE46EBFB0A6"
            },
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              "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"
}