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CVE-2006-3855

Status: ModifiedMedium (6.5)—

The ifx_load_internal function in IBM Informix Dynamic Server (IDS) allows remote authenticated users to execute arbitrary C code via the DllMain or _init function in a library, aka "C code UDR."

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 — Informix Dynamic Server

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2006-3855",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": true,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2006-08-08T22:04:00.000",
  "references": [
    {
      "url": "http://secunia.com/advisories/21301",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www-1.ibm.com/support/docview.wss?uid=swg21242921",
      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.databasesecurity.com/informix/DatabaseHackersHandbook-AttackingInformix.pdf",
      "tags": [
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      ],
      "source": "cve@mitre.org"
    },
    {
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      "tags": [
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      "source": "cve@mitre.org"
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    {
      "url": "http://www.securityfocus.com/archive/1/443133/100/0/threaded",
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      "tags": [
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      "source": "cve@mitre.org"
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    {
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      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/28129",
      "source": "cve@mitre.org"
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    {
      "url": "http://secunia.com/advisories/21301",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "NVD-CWE-noinfo"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The ifx_load_internal function in IBM Informix Dynamic Server (IDS) allows remote authenticated users to execute arbitrary C code via the DllMain or _init function in a library, aka \"C code UDR.\""
    },
    {
      "lang": "es",
      "value": "La función ifx_load_internal en IBM Informix Dynamic Server (IDS) permite a usuarios remotos autenticados ejecutar código C arbitrario a través de la función DllMain o _init en una librería, también conocido como \"C code UDR\"."
    }
  ],
  "lastModified": "2026-06-16T22:27:58.123",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ibm:informix_dynamic_server:9.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "58A9F81C-C618-435D-9912-0E61EAB02560"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "CE9B0C17-2D85-4729-85EF-2F5C750BF51B"
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              "vulnerable": true,
              "matchCriteriaId": "B2CD7B84-2861-4542-8A08-C668065C8DB4"
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            {
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              "vulnerable": true,
              "matchCriteriaId": "E64D85E2-AA7E-4704-A2FA-BD69744423CF"
            },
            {
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          "operator": "OR"
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "evaluatorSolution": "This vulnerability is addressed in the following product releases:\r\nIBM, Informix IDS, 9.40 xC7 \r\nIBM, Informix IDS, 10.00 xC4"
}