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CVE-2025-36428

Status: AnalyzedMedium (5.3)—

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5.0 - 11.5.9 and 12.1.0 - 12.1.3 could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic when the RPSCAN feature is enabled.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

IBM — DB2

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2025-36428",
  "cveTags": [],
  "metrics": {
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      {
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        "ssvcData": {
          "id": "CVE-2025-36428",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-02-02T16:25:39.115107Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@us.ibm.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.6
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@us.ibm.com",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:linux:*:*",
            "cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:unix:*:*",
            "cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:aix:*:*",
            "cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:windows:*:*",
            "cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:zos:*:*",
            "cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:linux:*:*",
            "cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:unix:*:*",
            "cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:aix:*:*",
            "cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:windows:*:*",
            "cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:zos:*:*",
            "cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:linux:*:*",
            "cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:unix:*:*",
            "cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:aix:*:*",
            "cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:windows:*:*",
            "cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:zos:*:*",
            "cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:linux:*:*",
            "cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:unix:*:*",
            "cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:aix:*:*",
            "cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:windows:*:*",
            "cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:zos:*:*"
          ],
          "vendor": "IBM",
          "product": "Db2 for Linux, UNIX and Windows",
          "versions": [
            {
              "status": "affected",
              "version": "11.5.0",
              "versionType": "semver",
              "lessThanOrEqual": "11.5.9"
            },
            {
              "status": "affected",
              "version": "12.1.0",
              "versionType": "semver",
              "lessThanOrEqual": "12.1.3"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-01-30T22:15:55.357",
  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7257697",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@us.ibm.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1284"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5.0 - 11.5.9 and 12.1.0 - 12.1.3 could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic when the RPSCAN feature is enabled."
    },
    {
      "lang": "es",
      "value": "IBM Db2 para Linux, UNIX y Windows (incluye Db2 Connect Server) 11.5.0 - 11.5.9 y 12.1.0 - 12.1.3 podría permitir a un usuario autenticado causar una denegación de servicio debido a una neutralización incorrecta de elementos especiales en la lógica de consulta de datos cuando la característica RPSCAN está habilitada."
    }
  ],
  "lastModified": "2026-06-17T09:14:43.610",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:*",
              "vulnerable": true,
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              "versionEndIncluding": "11.5.9",
              "versionStartIncluding": "11.5.0"
            },
            {
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            },
            {
              "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:*",
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              "versionEndIncluding": "11.5.9",
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            },
            {
              "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:*",
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              "matchCriteriaId": "2AA1764B-CD82-4B33-B85B-27CA2F7C0ED5",
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            },
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            }
          ],
          "operator": "OR"
        }
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    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com"
}