GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2021-32944 (GCVE-0-2021-32944)

Vulnerability from cvelistv5 – Published: 2021-06-17 12:50 – Updated: 2024-08-03 23:33
VLAI
Summary
A use-after-free issue exists in the DGN file-reading procedure in the Drawings SDK (All versions prior to 2022.4) resulting from the lack of proper validation of user-supplied data. This can result in a memory corruption or arbitrary code execution, allowing attackers to cause a denial-of-service condition or execute code in the context of the current process.
CWE
Impacted products
Vendor Product Version CPE status
n/a Drawings SDK Affected: All versions prior to 2022.4
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:33:55.939Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-987/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-990/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Drawings SDK",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "All versions prior to 2022.4"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A use-after-free issue exists in the DGN file-reading procedure in the Drawings SDK (All versions prior to 2022.4) resulting from the lack of proper validation of user-supplied data. This can result in a memory corruption or arbitrary code execution, allowing attackers to cause a denial-of-service condition or execute code in the context of the current process."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "USE AFTER FREE CWE-416",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-03-08T14:06:24.000Z",
        "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "shortName": "icscert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-987/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-990/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "ics-cert@hq.dhs.gov",
          "ID": "CVE-2021-32944",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Drawings SDK",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions prior to 2022.4"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A use-after-free issue exists in the DGN file-reading procedure in the Drawings SDK (All versions prior to 2022.4) resulting from the lack of proper validation of user-supplied data. This can result in a memory corruption or arbitrary code execution, allowing attackers to cause a denial-of-service condition or execute code in the context of the current process."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "USE AFTER FREE CWE-416"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02",
              "refsource": "MISC",
              "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02"
            },
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf",
              "refsource": "CONFIRM",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf"
            },
            {
              "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-987/",
              "refsource": "MISC",
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-987/"
            },
            {
              "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-990/",
              "refsource": "MISC",
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-990/"
            },
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf",
              "refsource": "CONFIRM",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
    "assignerShortName": "icscert",
    "cveId": "CVE-2021-32944",
    "datePublished": "2021-06-17T12:50:37.000Z",
    "dateReserved": "2021-05-13T00:00:00.000Z",
    "dateUpdated": "2024-08-03T23:33:55.939Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-32944",
      "date": "2026-09-16",
      "epss": "0.02668",
      "percentile": "0.84987"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:opendesign:drawings_sdk:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"2022.4\", \"matchCriteriaId\": \"FEFEE0EB-BDA4-4D1A-85B5-0D0A80EE26FA\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:siemens:comos:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"10.4.1\", \"matchCriteriaId\": \"0F0CFB85-CD4F-424C-8B9F-9289D08FA665\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:siemens:jt2go:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"13.2.0.1\", \"matchCriteriaId\": \"C811E8B2-CA0C-4A71-A803-A30C4DAF1476\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:siemens:teamcenter_visualization:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"13.2.0.1\", \"matchCriteriaId\": \"87BB2370-46C4-4BEC-8189-1F7FE4C1E12D\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"A use-after-free issue exists in the DGN file-reading procedure in the Drawings SDK (All versions prior to 2022.4) resulting from the lack of proper validation of user-supplied data. This can result in a memory corruption or arbitrary code execution, allowing attackers to cause a denial-of-service condition or execute code in the context of the current process.\"}, {\"lang\": \"es\", \"value\": \"Se presenta un problema de uso de la memoria previamente liberada en el procedimiento de lectura de archivos DGN en Drawings SDK (todas las versiones anteriores a 2022.4) resultando en una falta de comprobaci\\u00f3n apropiada de los datos suministrados por el usuario. Esto puede resultar en una corrupci\\u00f3n de memoria o en una ejecuci\\u00f3n de c\\u00f3digo arbitrario, permitiendo a atacantes causar una condici\\u00f3n de denegaci\\u00f3n de servicio o ejecutar c\\u00f3digo en el contexto del proceso actual\"}]",
      "id": "CVE-2021-32944",
      "lastModified": "2024-11-21T06:07:58.690",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:N/C:P/I:P/A:P\", \"baseScore\": 6.8, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.6, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": true}]}",
      "published": "2021-06-17T13:15:08.083",
      "references": "[{\"url\": \"https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf\", \"source\": \"ics-cert@hq.dhs.gov\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf\", \"source\": \"ics-cert@hq.dhs.gov\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02\", \"source\": \"ics-cert@hq.dhs.gov\", \"tags\": [\"Third Party Advisory\", \"US Government Resource\"]}, {\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-21-987/\", \"source\": \"ics-cert@hq.dhs.gov\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-21-990/\", \"source\": \"ics-cert@hq.dhs.gov\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"US Government Resource\"]}, {\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-21-987/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-21-990/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}]",
      "sourceIdentifier": "ics-cert@hq.dhs.gov",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"ics-cert@hq.dhs.gov\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-416\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-416\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-32944\",\"sourceIdentifier\":\"ics-cert@hq.dhs.gov\",\"published\":\"2021-06-17T13:15:08.083\",\"lastModified\":\"2024-11-21T06:07:58.690\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A use-after-free issue exists in the DGN file-reading procedure in the Drawings SDK (All versions prior to 2022.4) resulting from the lack of proper validation of user-supplied data. This can result in a memory corruption or arbitrary code execution, allowing attackers to cause a denial-of-service condition or execute code in the context of the current process.\"},{\"lang\":\"es\",\"value\":\"Se presenta un problema de uso de la memoria previamente liberada en el procedimiento de lectura de archivos DGN en Drawings SDK (todas las versiones anteriores a 2022.4) resultando en una falta de comprobaci\u00f3n apropiada de los datos suministrados por el usuario. Esto puede resultar en una corrupci\u00f3n de memoria o en una ejecuci\u00f3n de c\u00f3digo arbitrario, permitiendo a atacantes causar una condici\u00f3n de denegaci\u00f3n de servicio o ejecutar c\u00f3digo en el contexto del proceso actual\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:P\",\"baseScore\":6.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"ics-cert@hq.dhs.gov\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:opendesign:drawings_sdk:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2022.4\",\"matchCriteriaId\":\"FEFEE0EB-BDA4-4D1A-85B5-0D0A80EE26FA\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:siemens:comos:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.4.1\",\"matchCriteriaId\":\"0F0CFB85-CD4F-424C-8B9F-9289D08FA665\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:siemens:jt2go:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"13.2.0.1\",\"matchCriteriaId\":\"C811E8B2-CA0C-4A71-A803-A30C4DAF1476\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:siemens:teamcenter_visualization:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"13.2.0.1\",\"matchCriteriaId\":\"87BB2370-46C4-4BEC-8189-1F7FE4C1E12D\"}]}]}],\"references\":[{\"url\":\"https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf\",\"source\":\"ics-cert@hq.dhs.gov\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf\",\"source\":\"ics-cert@hq.dhs.gov\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02\",\"source\":\"ics-cert@hq.dhs.gov\",\"tags\":[\"Third Party Advisory\",\"US Government Resource\"]},{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-21-987/\",\"source\":\"ics-cert@hq.dhs.gov\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-21-990/\",\"source\":\"ics-cert@hq.dhs.gov\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"US Government Resource\"]},{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-21-987/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-21-990/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-03-27T14:01:00+00:00",
      "cve": "CVE-2021-32944",
      "id": "CVE-2021-32944",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2021-32944",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-32944.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

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.


Loading…