CVE-2026-21997

{
  "id": "CVE-2026-21997",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-21T21:16:24.653",
  "lastModified": "2026-10-26T21:10:00.170",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the Oracle Life Sciences Empirica Signal product of Oracle Life Science Applications (component: Common Core).  Supported versions that are affected are 9.2.1-9.2.3. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Life Sciences Empirica Signal.  While the vulnerability is in Oracle Life Sciences Empirica Signal, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle Life Sciences Empirica Signal accessible data as well as  unauthorized read access to a subset of Oracle Life Sciences Empirica Signal accessible data. CVSS 3.1 Base Score 8.5 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N)."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en el producto Oracle Life Sciences Empirica Signal de Oracle Life Science Applications (componente: Common Core). Versiones compatibles que están afectadas son 9.2.1-9.2.3. Vulnerabilidad fácilmente explotable permite a un atacante con pocos privilegios con acceso a la red vía HTTP comprometer Oracle Life Sciences Empirica Signal. Aunque la vulnerabilidad está en Oracle Life Sciences Empirica Signal, los ataques pueden impactar significativamente productos adicionales (cambio de alcance). Ataques exitosos de esta vulnerabilidad pueden resultar en acceso no autorizado de creación, eliminación o modificación a datos críticos o a todos los datos accesibles de Oracle Life Sciences Empirica Signal, así como acceso de lectura no autorizado a un subconjunto de datos accesibles de Oracle Life Sciences Empirica Signal. Puntuación Base CVSS 3.1 de 8.5 (impactos en la Confidencialidad e Integridad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N)."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Oracle Corporation",
          "product": "Oracle Life Sciences Empirica Signal",
          "versions": [
            {
              "version": "9.2.1",
              "lessThanOrEqual": "9.2.3",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N",
          "baseScore": 8.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.1,
        "impactScore": 4.7
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-22T14:02:55.730217Z",
          "id": "CVE-2026-21997",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:oracle:life_sciences_empirica_signal:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "9.2.1",
              "versionEndIncluding": "9.2.3",
              "matchCriteriaId": "E6F7113B-4747-4DDB-99F0-7CFA1AE5426A"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.oracle.com/security-alerts/cpuapr2026.html",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}