Vulnerability-Lookup

CVE-2021-38447 (GCVE-0-2021-38447)

Vulnerability from cvelistv5 – Published: 2022-05-05 15:18 – Updated: 2025-04-16 16:23

Title

OCI OpenDDS Secure Amplification

Summary

OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition.

Severity

8.6 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-16 15:56 UTC

CWE

CWE-405 - Asymmetric Resource Consumption (Amplification)

Assigner

icscert icscert root

References

2 references

URL	Tags
https://www.cisa.gov/uscert/ics/advisories/icsa-2…	x_refsource_CONFIRM
https://opendds.org/	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version	CPE status
OCI	OpenDDS	Affected: unspecified , < 3.18.1 (custom)	guessed

Credits

Federico Maggi (Trend Micro Research), Ta-Lun Yen, and Chizuru Toyama (TXOne Networks, Trend Micro) reported these vulnerabilities to CISA. In addition, Patrick Kuo, Mars Cheng (TXOne Networks, Trend Micro), Víctor Mayoral-Vilches (Alias Robotics), and Erik Boasson (ADLINK Technology) also contributed to this research.

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            "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
            "shortName": "icscert"
          },
          "references": [
            {
              "tags": [
                "x_refsource_CONFIRM"
              ],
              "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02"
            },
            {
              "tags": [
                "x_refsource_CONFIRM"
              ],
              "url": "https://opendds.org/"
            }
          ],
          "solutions": [
            {
              "lang": "en",
              "value": "OCI recommends users update to version 3.18.1 of OpenDDS or later."
            }
          ],
          "source": {
            "discovery": "EXTERNAL"
          },
          "title": "OCI OpenDDS Secure  Amplification",
          "x_generator": {
            "engine": "Vulnogram 0.0.9"
          },
          "x_legacyV4Record": {
            "CVE_data_meta": {
              "ASSIGNER": "ics-cert@hq.dhs.gov",
              "ID": "CVE-2021-38447",
              "STATE": "PUBLIC",
              "TITLE": "OCI OpenDDS Secure  Amplification"
            },
            "affects": {
              "vendor": {
                "vendor_data": [
                  {
                    "product": {
                      "product_data": [
                        {
                          "product_name": "OpenDDS",
                          "version": {
                            "version_data": [
                              {
                                "version_affected": "\u003c",
                                "version_value": "3.18.1"
                              }
                            ]
                          }
                        }
                      ]
                    },
                    "vendor_name": "OCI"
                  }
                ]
              }
            },
            "credit": [
              {
                "lang": "eng",
                "value": "Federico Maggi (Trend Micro Research), Ta-Lun Yen, and Chizuru Toyama (TXOne Networks, Trend Micro) reported these vulnerabilities to CISA. In addition, Patrick Kuo, Mars Cheng (TXOne Networks, Trend Micro), V\u00edctor Mayoral-Vilches (Alias Robotics), and Erik Boasson (ADLINK Technology) also contributed to this research."
              }
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            "data_format": "MITRE",
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            },
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            },
            "impact": {
              "cvss": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.6,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
                "version": "3.1"
              }
            },
            "problemtype": {
              "problemtype_data": [
                {
                  "description": [
                    {
                      "lang": "eng",
                      "value": "CWE-405 Asymmetric Resource Consumption (Amplification)"
                    }
                  ]
                }
              ]
            },
            "references": {
              "reference_data": [
                {
                  "name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02",
                  "refsource": "CONFIRM",
                  "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02"
                },
                {
                  "name": "https://opendds.org/",
                  "refsource": "CONFIRM",
                  "url": "https://opendds.org/"
                }
              ]
            },
            "solution": [
              {
                "lang": "en",
                "value": "OCI recommends users update to version 3.18.1 of OpenDDS or later."
              }
            ],
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        "assignerShortName": "icscert",
        "cveId": "CVE-2021-38447",
        "datePublished": "2022-05-05T15:18:06.000Z",
        "dateReserved": "2021-08-10T00:00:00.000Z",
        "dateUpdated": "2025-04-16T16:23:41.117Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}

FKIE_CVE-2021-38447

Vulnerability from fkie_nvd - Published: 2022-05-05 17:15 - Updated: 2026-06-17 04:02

Severity

8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition.

References

URL	Tags
ics-cert@hq.dhs.gov	https://opendds.org/	Product
ics-cert@hq.dhs.gov	https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02	Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108	https://opendds.org/	Product
af854a3a-2127-422b-91ae-364da2661108	https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02	Third Party Advisory, US Government Resource

Impacted products

	Vendor	Product	Version
	objectcomputing	opendds	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "OpenDDS",
          "vendor": "OCI",
          "versions": [
            {
              "lessThan": "3.18.1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "ics-cert@hq.dhs.gov"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:objectcomputing:opendds:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "06625651-4684-4C84-B7A8-ECC6A16100EB",
              "versionEndExcluding": "3.18.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition."
    },
    {
      "lang": "es",
      "value": "OCI OpenDDS versiones anteriores a 3.18.1, son vulnerables cuando un atacante env\u00eda un paquete especialmente dise\u00f1ado para inundar los dispositivos de destino con tr\u00e1fico no deseado, lo que puede resultar en una condici\u00f3n de denegaci\u00f3n de servicio"
    }
  ],
  "id": "CVE-2021-38447",
  "lastModified": "2026-06-17T04:02:06.750",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.7,
        "source": "ics-cert@hq.dhs.gov",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-38447",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-04-16T15:56:48.204248Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2022-05-05T17:15:09.770",
  "references": [
    {
      "source": "ics-cert@hq.dhs.gov",
      "tags": [
        "Product"
      ],
      "url": "https://opendds.org/"
    },
    {
      "source": "ics-cert@hq.dhs.gov",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "https://opendds.org/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02"
    }
  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-405"
        }
      ],
      "source": "ics-cert@hq.dhs.gov",
      "type": "Secondary"
    }
  ]
}

GHSA-W75X-F9JM-QXX4

Vulnerability from github – Published: 2022-05-06 00:00 – Updated: 2022-05-14 00:03

Details

OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition.

Severity

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2021-38447"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-405"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-05-05T17:15:00Z",
    "severity": "HIGH"
  },
  "details": "OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition.",
  "id": "GHSA-w75x-f9jm-qxx4",
  "modified": "2022-05-14T00:03:34Z",
  "published": "2022-05-06T00:00:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-38447"
    },
    {
      "type": "WEB",
      "url": "https://opendds.org"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2021-38447

Vulnerability from gsd - Updated: 2023-12-13 01:23

Details

OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition.

Aliases

CVE-2021-38447

Aliases

CVE-2021-38447

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2021-38447",
    "description": "OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition.",
    "id": "GSD-2021-38447"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-38447"
      ],
      "details": "OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition.",
      "id": "GSD-2021-38447",
      "modified": "2023-12-13T01:23:17.587063Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "ics-cert@hq.dhs.gov",
        "ID": "CVE-2021-38447",
        "STATE": "PUBLIC",
        "TITLE": "OCI OpenDDS Secure  Amplification"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "OpenDDS",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "3.18.1"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "OCI"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "Federico Maggi (Trend Micro Research), Ta-Lun Yen, and Chizuru Toyama (TXOne Networks, Trend Micro) reported these vulnerabilities to CISA. In addition, Patrick Kuo, Mars Cheng (TXOne Networks, Trend Micro), V\u00edctor Mayoral-Vilches (Alias Robotics), and Erik Boasson (ADLINK Technology) also contributed to this research."
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition."
          }
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      },
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        "engine": "Vulnogram 0.0.9"
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      "impact": {
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          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.6,
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          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
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      },
      "problemtype": {
        "problemtype_data": [
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              {
                "lang": "eng",
                "value": "CWE-405 Asymmetric Resource Consumption (Amplification)"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02",
            "refsource": "CONFIRM",
            "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02"
          },
          {
            "name": "https://opendds.org/",
            "refsource": "CONFIRM",
            "url": "https://opendds.org/"
          }
        ]
      },
      "solution": [
        {
          "lang": "eng",
          "value": "OCI recommends users update to version 3.18.1 of OpenDDS or later."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      }
    },
    "nvd.nist.gov": {
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        "nodes": [
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                "cpe23Uri": "cpe:2.3:a:objectcomputing:opendds:*:*:*:*:*:*:*:*",
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              }
            ],
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://opendds.org/",
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              "tags": [
                "Product"
              ],
              "url": "https://opendds.org/"
            },
            {
              "name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory",
                "US Government Resource"
              ],
              "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
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            "availabilityImpact": "PARTIAL",
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            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-05-13T03:58Z",
      "publishedDate": "2022-05-05T17:15Z"
    }
  }
}

ICSA-21-315-02

Vulnerability from csaf_cisa - Published: 2021-11-11 00:00 - Updated: 2022-02-01 00:00

Summary

Multiple Data Distribution Service (DDS) Implementations (Update A)

Scope

13 vulnerabilities in this advisory, including CVE-2021-38447.

CVE-2021-38447

8.6 (High)


                
                  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Known affected: 7 products

https://projects.eclipse.org/projects/iot.cyclonedds https://github.com/eProsima/Fast-DDS https://opendds.org/

Open the full advisory

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2021-38447 (GCVE-0-2021-38447)

FKIE_CVE-2021-38447

GHSA-W75X-F9JM-QXX4

GSD-2021-38447

ICSA-21-315-02

Tags

Sightings

Nomenclature

Related by attack behaviour