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CVE-2021-38433

Estado: ModificadaAlta (7.8)—

RTI Connext DDS Professional and Connext DDS Secure Versions 4.2x to 6.1.0 vulnerable to a stack-based buffer overflow, which may allow a local attacker to execute arbitrary code.

CVSS

Probabilidad de explotación (EPSS)

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).

Tecnologías afectadas (2)

RTI — Connext ProfessionalRTI — Connext Secure

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-38433",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2021-38433",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
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          ],
          "version": "2.0.3",
          "timestamp": "2025-04-16T15:52:34.323007Z"
        }
      }
    ],
    "cvssMetricV2": [
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        "source": "nvd@nist.gov",
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          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "ics-cert@hq.dhs.gov",
        "cvssData": {
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  "affected": [
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              "versionType": "custom",
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  ],
  "published": "2022-05-05T17:15:09.303",
  "references": [
    {
      "url": "https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F",
      "tags": [
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      ],
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02",
      "tags": [
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    {
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      "tags": [
        "Permissions Required",
        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02",
      "tags": [
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        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "ics-cert@hq.dhs.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
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    }
  ],
  "descriptions": [
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      "lang": "en",
      "value": "RTI Connext DDS Professional and Connext DDS Secure Versions 4.2x to 6.1.0 vulnerable to a stack-based buffer overflow, which may allow a local attacker to execute arbitrary code."
    },
    {
      "lang": "es",
      "value": "RTI Connext DDS Professional y Connext DDS Secure versiones 4.2x a 6.1.0, son vulnerables a un desbordamiento del búfer en la región stack de la memoria, que puede permitir a un atacante local ejecutar código arbitrario"
    }
  ],
  "lastModified": "2026-06-17T04:02:05.397",
  "configurations": [
    {
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          ],
          "operator": "OR"
        }
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  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov"
}