ubuntu-cve-2021-38443
Vulnerability from osv_ubuntu
Published
2022-05-05 17:15
Modified
2026-05-20 14:53
Summary
Details

Eclipse CycloneDDS versions prior to 0.8.0 improperly handle invalid structures, which may allow an attacker to write arbitrary values in the XML parser.

Severity
6.6 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "cyclonedds-tools",
            "binary_version": "0.8.2-5"
          },
          {
            "binary_name": "libcycloneddsidl0",
            "binary_version": "0.8.2-5"
          },
          {
            "binary_name": "libddsc0",
            "binary_version": "0.8.2-5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "cyclonedds",
        "purl": "pkg:deb/ubuntu/cyclonedds@0.8.2-5?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.7.0-7",
        "0.8.1-4",
        "0.8.1-4build1",
        "0.8.1-5",
        "0.8.2-1",
        "0.8.2-4",
        "0.8.2-5"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "cyclonedds-tools",
            "binary_version": "0.10.4-1.1build3"
          },
          {
            "binary_name": "libcycloneddsidl0t64",
            "binary_version": "0.10.4-1.1build3"
          },
          {
            "binary_name": "libddsc0t64",
            "binary_version": "0.10.4-1.1build3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "cyclonedds",
        "purl": "pkg:deb/ubuntu/cyclonedds@0.10.4-1.1build3?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.10.3-2",
        "0.10.4-1",
        "0.10.4-1.1",
        "0.10.4-1.1build1",
        "0.10.4-1.1build2",
        "0.10.4-1.1build3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "cyclonedds-tools",
            "binary_version": "0.10.5-1"
          },
          {
            "binary_name": "libcycloneddsidl0t64",
            "binary_version": "0.10.5-1"
          },
          {
            "binary_name": "libddsc0t64",
            "binary_version": "0.10.5-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "cyclonedds",
        "purl": "pkg:deb/ubuntu/cyclonedds@0.10.5-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.10.5-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "cyclonedds-tools",
            "binary_version": "0.10.5-1build1"
          },
          {
            "binary_name": "libcycloneddsidl0t64",
            "binary_version": "0.10.5-1build1"
          },
          {
            "binary_name": "libddsc0t64",
            "binary_version": "0.10.5-1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "cyclonedds",
        "purl": "pkg:deb/ubuntu/cyclonedds@0.10.5-1build1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.10.5-1",
        "0.10.5-1build1"
      ]
    }
  ],
  "aliases": [],
  "details": "Eclipse CycloneDDS versions prior to 0.8.0 improperly handle invalid structures, which may allow an attacker to write arbitrary values in the XML parser.",
  "id": "UBUNTU-CVE-2021-38443",
  "modified": "2026-05-20T14:53:29Z",
  "published": "2022-05-05T17:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-38443"
    },
    {
      "type": "REPORT",
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02"
    },
    {
      "type": "REPORT",
      "url": "https://projects.eclipse.org/projects/iot.cyclonedds"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-38443"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-38443"
  ]
}



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