« Volver al listado

CVE-2021-38487

Estado: ModificadaAlta (8.8)—

RTI Connext Professional versions 4.1 to 6.1.0, and Connext Micro versions 2.4 and later are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic. This may result in a denial-of-service condition and information exposure.

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 (3)

RTI — Connext DDS MicroRTI — Connext ProfessionalRTI — Connext Secure

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-38487",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-38487",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-16T15:56:44.356177Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "3f572a00-62e2-4423-959a-7ea25eff1638",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.2,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 4.2,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.1,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 3.9
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "3f572a00-62e2-4423-959a-7ea25eff1638",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 8.8,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "HIGH",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "3f572a00-62e2-4423-959a-7ea25eff1638",
      "affectedData": [
        {
          "vendor": "RTI",
          "product": "Connext Professional",
          "versions": [
            {
              "status": "affected",
              "version": "4.1",
              "lessThan": "6.1.0",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "RTI",
          "product": "Connext Micro",
          "versions": [
            {
              "status": "affected",
              "version": "4.0.0",
              "lessThan": "4.0.*",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "3.0.0",
              "lessThan": "3.0.*",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "2.4.0",
              "lessThan": "2.4.*",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2022-05-05T17:15:09.857",
  "references": [
    {
      "url": "https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
      ],
      "source": "3f572a00-62e2-4423-959a-7ea25eff1638"
    },
    {
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "3f572a00-62e2-4423-959a-7ea25eff1638"
    },
    {
      "url": "https://www.rti.com/vulnerabilities/#cve-2021-38487",
      "source": "3f572a00-62e2-4423-959a-7ea25eff1638"
    },
    {
      "url": "https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "3f572a00-62e2-4423-959a-7ea25eff1638",
      "description": [
        {
          "lang": "en",
          "value": "CWE-406"
        },
        {
          "lang": "en",
          "value": "CWE-923"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "RTI Connext Professional versions 4.1 to 6.1.0, and Connext Micro versions 2.4 and later are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic. This may result in a denial-of-service condition and information exposure."
    },
    {
      "lang": "es",
      "value": "RTI Connext DDS Professional, Connext DDS Secure versiones 4.2x a 6.1.0, y Connext DDS Micro versiones 2.4 y posteriores, son vulnerables cuando un atacante envía un paquete especialmente diseñado para inundar los dispositivos de destino con tráfico no deseado. Esto puede resultar en una condición de denegación de servicio y a una exposición de información"
    }
  ],
  "lastModified": "2026-06-17T04:02:12.597",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:rti:connext_dds_micro:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EFFBCF6A-4512-40EF-9FDF-1462FDE3046A",
              "versionStartIncluding": "2.4"
            },
            {
              "criteria": "cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AA8B526B-9A03-4C47-B76C-A50F239AA538",
              "versionEndExcluding": "6.1.0",
              "versionStartIncluding": "4.2"
            },
            {
              "criteria": "cpe:2.3:a:rti:connext_secure:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FFD081C5-E43F-4F6A-93F8-1215A075C474",
              "versionEndExcluding": "6.1.0",
              "versionStartIncluding": "4.2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "3f572a00-62e2-4423-959a-7ea25eff1638"
}