CVE-2026-44753

{
  "id": "CVE-2026-44753",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-14T01:16:17.683",
  "lastModified": "2026-10-24T22:10:00.210",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "SAP HANA Database (user self service tools) allows an unauthenticated user to send specially crafted requests that produce distinguishable responses, enabling enumeration of valid user accounts and email addresses. Successful exploitation could allow the attacker to enumerate valid user accounts, resulting in low impact on confidentiality, with no impact on integrity and availability of the application."
    },
    {
      "lang": "es",
      "value": "La Base de datos SAP HANA (herramientas de autoservicio de usuario) permite a un usuario no autenticado enviar solicitudes especialmente diseñadas que producen respuestas distinguibles, lo que permite la enumeración de cuentas de usuario válidas y direcciones de correo electrónico. Una explotación exitosa podría permitir al atacante enumerar cuentas de usuario válidas, lo que resulta en un bajo impacto en la confidencialidad, sin impacto en la integridad y disponibilidad de la aplicación."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "SAP_SE",
          "product": "SAP HANA Extended Application Services classic model (User Self Service)",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "HDB 2.00",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "baseScore": 3.7,
          "baseSeverity": "LOW",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 1.4
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-14T12:38:19.965117Z",
          "id": "CVE-2026-44753",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-204"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://me.sap.com/notes/3732522",
      "source": "[email protected]"
    },
    {
      "url": "https://url.sap/sapsecuritypatchday",
      "source": "[email protected]"
    }
  ]
}