CVE-2026-34311

Estado: AnalizadaCrítica (9.8)—

Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (component: Opera). Supported versions that are affected are 5.6.19.24, 5.6.22, 5.6.25.19, 5.6.27.6 and 5.6.28. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hospitality OPERA 5 Property Services. Successful attacks of this vulnerability can result in takeover of Oracle Hospitality OPERA 5 Property Services. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 9.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.55%
Percentil entre todas las CVEs puntuadas: 44
Fecha de la puntuación: 6/10/2026

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access60 %

Inferido por reglas deterministas a partir del vector CVSS y la CWE. Solo orientativo.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Vulnerability Scanning Privileged Account Management Network Segmentation Limit Access to Resource Over Network Filter Network Traffic Application Isolation and Sandboxing

Tecnologías afectadas (1)

Oracle — Hospitality Opera 5 Property Services

CWE

NVD-CWE-noinfo

Referencias

https://www.oracle.com/security-alerts/cspumay2026.html

JSON original (NVD)

Mostrar

{
  "id": "CVE-2026-34311",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-34311",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-05-28T00:00:00+00:00"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secalert_us@oracle.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "secalert_us@oracle.com",
      "affectedData": [
        {
          "vendor": "Oracle Corporation",
          "product": "Oracle Hospitality OPERA 5 Property Services",
          "versions": [
            {
              "status": "affected",
              "version": "5.6.19.24",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "5.6.22",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "5.6.25.19",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "5.6.27.6",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "5.6.28",
              "versionType": "semver"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-05-28T21:16:29.180",
  "references": [
    {
      "url": "https://www.oracle.com/security-alerts/cspumay2026.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert_us@oracle.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (component: Opera).  Supported versions that are affected are 5.6.19.24, 5.6.22, 5.6.25.19, 5.6.27.6 and  5.6.28. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hospitality OPERA 5 Property Services.  Successful attacks of this vulnerability can result in takeover of Oracle Hospitality OPERA 5 Property Services. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)."
    }
  ],
  "lastModified": "2026-06-17T10:38:49.757",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:oracle:hospitality_opera_5_property_services:5.6.19.24:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D18CF60F-3C88-461C-90A0-03CF89D96E81"
            },
            {
              "criteria": "cpe:2.3:a:oracle:hospitality_opera_5_property_services:5.6.22:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "640D3D8C-564B-49FF-87C4-55CBCE38E2D4"
            },
            {
              "criteria": "cpe:2.3:a:oracle:hospitality_opera_5_property_services:5.6.25.19:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FA6D549C-9F9D-451D-971F-8B51027AEB54"
            },
            {
              "criteria": "cpe:2.3:a:oracle:hospitality_opera_5_property_services:5.6.27.6:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "78335075-5D9B-4506-95C6-FE6FE0C0B422"
            },
            {
              "criteria": "cpe:2.3:a:oracle:hospitality_opera_5_property_services:5.6.28:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BDCBE667-37C2-4467-9628-BF61C8C7F998"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert_us@oracle.com"
}