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CVE-2021-38183

Estado: ModificadaMedia (6.1)—

SAP NetWeaver - versions 700, 701, 702, 730, does not sufficiently encode user-controlled inputs, allowing an attacker to cause a potential victim to supply a malicious content to a vulnerable web application, which is then reflected to the victim and executed by the web browser, resulting in Cross-Site Scripting vulnerability.

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

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-38183",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "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",
          "versions": [
            {
              "status": "affected",
              "version": "< 700"
            },
            {
              "status": "affected",
              "version": "< 701"
            },
            {
              "status": "affected",
              "version": "< 702"
            },
            {
              "status": "affected",
              "version": "< 730"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-10-12T15:15:08.993",
  "references": [
    {
      "url": "https://launchpad.support.sap.com/#/notes/3084937",
      "tags": [
        "Permissions Required"
      ],
      "source": "cna@sap.com"
    },
    {
      "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=587169983",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cna@sap.com"
    },
    {
      "url": "https://launchpad.support.sap.com/#/notes/3084937",
      "tags": [
        "Permissions Required"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=587169983",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "SAP NetWeaver - versions 700, 701, 702, 730, does not sufficiently encode user-controlled inputs, allowing an attacker to cause a potential victim to supply a malicious content to a vulnerable web application, which is then reflected to the victim and executed by the web browser, resulting in Cross-Site Scripting vulnerability."
    },
    {
      "lang": "es",
      "value": "SAP NetWeaver - versiones 700, 701, 702, 730, no codifica suficientemente las entradas controladas por el usuario, permitiendo a un atacante causar que una víctima potencial suministre un contenido malicioso a una aplicación web vulnerable, que luego es reflejado a la víctima y ejecutado por el navegador web, resultando en una vulnerabilidad de tipo Cross-Site Scripting"
    }
  ],
  "lastModified": "2026-06-17T04:01:42.847",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:sap:netweaver:700:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A7FED49E-6F9A-494A-9226-1059249960A0"
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver:701:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4836C36D-242F-4818-81B4-C170959D02F5"
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver:702:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6A503ABF-8655-40D7-96AD-2D7F19A673AE"
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver:730:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "19723B03-F577-425E-BDED-AFBA1D256F7F"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cna@sap.com"
}