FKIE_CVE-2026-71100

Vulnerability from fkie_nvd - Published: 2026-08-18 21:18 - Updated: 2026-08-20 15:09
Severity
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
References
secalert_us@oracle.comhttps://www.oracle.com/security-alerts/cspuaug2026.htmlVendor Advisory
Impacted products
Vendor Product Version
oracle database_server *
oracle database_server *
oracle database_server *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Oracle Database Server",
          "vendor": "Oracle Corporation",
          "versions": [
            {
              "lessThanOrEqual": "19.32",
              "status": "affected",
              "version": "19.3",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "21.23",
              "status": "affected",
              "version": "21.3",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "23.26.3",
              "status": "affected",
              "version": "23.4.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "secalert_us@oracle.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3F711969-25C7-433D-8365-738B78E2D6E5",
              "versionEndIncluding": "19.32",
              "versionStartIncluding": "19.3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E67F57C6-A423-4898-9620-9EAC83CDD3EE",
              "versionEndIncluding": "21.23",
              "versionStartIncluding": "21.3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F833EE87-1FC7-4BC3-B626-8B1454C86C04",
              "versionEndIncluding": "23.26.3",
              "versionStartIncluding": "23.4.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the RDBMS component of Oracle Database Server.  Supported versions that are affected are 19.3-19.32, 21.3-21.23 and  23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise RDBMS.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of RDBMS accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)."
    }
  ],
  "id": "CVE-2026-71100",
  "lastModified": "2026-08-20T15:09:13.907",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "secalert_us@oracle.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-71100",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-19T15:07:08.931194Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-18T21:18:10.263",
  "references": [
    {
      "source": "secalert_us@oracle.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.oracle.com/security-alerts/cspuaug2026.html"
    }
  ],
  "sourceIdentifier": "secalert_us@oracle.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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