CVE-2021-27043

Status: ModifiedHigh (7.8)—
An Arbitrary Address Write issue in the Autodesk DWG application can allow a malicious user to leverage the application to write in unexpected paths. In order to exploit this the attacker would need the victim to enable full page heap in the application.
CVSS

Version: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base score: 7.8
Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.88%
Percentile among all scored CVEs: 58
Score date: 10/6/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (11)

Autodesk — Advance Steel Autodesk — Autocad Autodesk — Autocad Architecture Autodesk — Autocad Electrical Autodesk — Autocad LT Autodesk — Autocad MAP 3D Autodesk — Autocad Mechanical Autodesk — Autocad MEP Autodesk — Autocad Plant 3D Autodesk — Civil 3D Autodesk — DWG Trueview
CWEs

CWE-787
References

Raw JSON (NVD)

Show
{
  "id": "CVE-2021-27043",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@autodesk.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Autodesk Advanced Steel, Civil 3D, AutoCAD, AutoCAD LT, AutoCAD Architecture, AutoCAD Electrical, AutoCAD Map 3D, AutoCAD Mechanical, AutoCAD MEP, AutoCAD Plant 3D",
          "versions": [
            {
              "status": "affected",
              "version": "2022.1.1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-06-25T13:15:08.280",
  "references": [
    {
      "url": "https://www.autodesk.com/trust/security-advisories/adsk-sa-2022-0007",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@autodesk.com"
    },
    {
      "url": "https://www.autodesk.com/trust/security-advisories/adsk-sa-2022-0007",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An Arbitrary Address Write issue in the Autodesk DWG application can allow a malicious user to leverage the application to write in unexpected paths. In order to exploit this the attacker would need the victim to enable full page heap in the application."
    },
    {
      "lang": "es",
      "value": "Un problema de escritura de direcciones arbitrarias en la aplicación Autodesk DWG, puede permitir a un usuario malicioso aprovechar la aplicación para escribir en rutas inesperadas. Para explotar esto, el atacante necesitaría que la víctima habilitara la pila de página completa  en la aplicación"
    }
  ],
  "lastModified": "2026-06-17T03:44:10.880",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:autodesk:advance_steel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DDC0E547-C366-4A0E-95DE-EC420492E698",
              "versionEndExcluding": "2019.1.3",
              "versionStartIncluding": "2019"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:advance_steel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B8319413-E093-4931-B2DB-A46522DF93C9",
              "versionEndExcluding": "2020.1.4",
              "versionStartIncluding": "2020"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:advance_steel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0B350B87-23EC-44F8-9A5F-9AC815E15BD9",
              "versionEndExcluding": "2021.1.1",
              "versionStartIncluding": "2021"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:advance_steel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CAE14E69-8BCB-4E00-8BAB-CB7F1688DC27",
              "versionEndExcluding": "2022.0.1",
              "versionStartIncluding": "2022"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A084A960-35D8-4B9C-87DE-0213CA40CAD8",
              "versionEndExcluding": "2019.1.3",
              "versionStartIncluding": "2019"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "20EE0BDC-3A97-4CD4-A232-922F8D613856",
              "versionEndExcluding": "2020.1.4",
              "versionStartIncluding": "2020"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5FDD2042-5313-4658-AA4E-109684E91C43",
              "versionEndExcluding": "2021.1.1",
              "versionStartIncluding": "2021"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FE031BD1-9F02-44C2-865E-2011511B36F5",
              "versionEndExcluding": "2022.0.1",
              "versionStartIncluding": "2022"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_architecture:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0A51CDDA-0D83-4331-9AB6-F6ED076157F6",
              "versionEndExcluding": "2019.1.3",
              "versionStartIncluding": "2019"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_architecture:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "143F8B16-E253-477E-9875-94928BE5596B",
              "versionEndExcluding": "2020.1.4",
              "versionStartIncluding": "2020"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_architecture:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "607A4804-A286-4237-82C3-8BE98662AE20",
              "versionEndExcluding": "2021.1.1",
              "versionStartIncluding": "2021"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_architecture:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "967B286E-5E73-47E3-BC2F-951E26720370",
              "versionEndIncluding": "2022.0.1",
              "versionStartIncluding": "2022"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_electrical:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "64C50E3E-8EFA-4B0D-B284-CF8FE4129866",
              "versionEndExcluding": "2019.1.3",
              "versionStartIncluding": "2019"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_electrical:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CBD4F808-CA46-4A8E-82DD-6D1A82DDF91C",
              "versionEndExcluding": "2020.1.4",
              "versionStartIncluding": "2020"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_electrical:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DFD09E68-2C34-4E76-9B67-868FA6E825A6",
              "versionEndExcluding": "2021.1.1",
              "versionStartIncluding": "2021"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_electrical:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "08BC587D-E4C7-4758-8AF5-1970892C35C8",
              "versionEndExcluding": "2022.0.1",
              "versionStartIncluding": "2022"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_lt:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "282A07AC-8D43-4580-8D2E-8E30370049F3",
              "versionEndExcluding": "2019.1.3",
              "versionStartIncluding": "2019"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_lt:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E37E4967-AC88-42D6-98C2-1BA63F20BD5C",
              "versionEndExcluding": "2020.1.4",
              "versionStartIncluding": "2020"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_lt:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "49512EB3-DE17-45FF-AB90-2966462A9C3C",
              "versionEndExcluding": "2021.1.1",
              "versionStartIncluding": "2021"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_lt:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "01A870BA-E78E-4975-BF6D-7D410BE8CD6C",
              "versionEndExcluding": "2022.0.1",
              "versionStartIncluding": "2022"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_map_3d:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6EF85630-3DDC-4026-AC5A-F1B197F98C9E",
              "versionEndExcluding": "2019.1.3",
              "versionStartIncluding": "2019"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_map_3d:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F5309100-B3E9-4144-AEA3-B9030E93FD78",
              "versionEndExcluding": "2020.1.4",
              "versionStartIncluding": "2020"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_map_3d:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "954682D1-2E7A-4EAB-B4B8-43E2038EB7C7",
              "versionEndExcluding": "2021.1.1",
              "versionStartIncluding": "2021"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_map_3d:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1016D7F3-2780-4412-A7AA-361B44A8632E",
              "versionEndExcluding": "2022.0.1",
              "versionStartIncluding": "2022"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_mechanical:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A3D0B0D7-FC6F-43D8-85AA-AC0BD464E5A1",
              "versionEndExcluding": "2019.1.3",
              "versionStartIncluding": "2019"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_mechanical:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AF6DF983-6772-45D4-A82A-EE1BB2EEFD4F",
              "versionEndExcluding": "2020.1.4",
              "versionStartIncluding": "2020"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_mechanical:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F7ABD866-E08B-42F3-A19A-5574563AA540",
              "versionEndExcluding": "2021.1.1",
              "versionStartIncluding": "2021"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_mechanical:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6716F29E-FBA2-4178-A8AE-269D9CC5AC59",
              "versionEndExcluding": "2022.0.1",
              "versionStartIncluding": "2022"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_mep:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "372905FF-2C9B-4366-BE56-36CACDA63BCD",
              "versionEndExcluding": "2019.1.3",
              "versionStartIncluding": "2019"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_mep:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D2F1DCEB-7ABB-4109-943A-E2DEFB17D330",
              "versionEndExcluding": "2020.1.4",
              "versionStartIncluding": "2020"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_mep:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EA49E2B8-CBF5-4F6E-A832-D1FDB597FADE",
              "versionEndExcluding": "2021.1.1",
              "versionStartIncluding": "2021"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_mep:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8CF7601F-D6A3-4CD6-961D-B8B1B82E29CE",
              "versionEndExcluding": "2022.0.1",
              "versionStartIncluding": "2022"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_plant_3d:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5F285B8D-585C-4C23-98FA-E09DE53C8247",
              "versionEndExcluding": "2019.1.3",
              "versionStartIncluding": "2019"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_plant_3d:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A10D9CEE-D92D-470D-928F-8F90243618EE",
              "versionEndExcluding": "2020.1.4",
              "versionStartIncluding": "2020"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_plant_3d:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0199953B-BCAC-405E-BDC6-951BEAE01570",
              "versionEndExcluding": "2021.1.1",
              "versionStartIncluding": "2021"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:autocad_plant_3d:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FBDFDF50-5230-41F1-B380-AD3EC4B53DB7",
              "versionEndExcluding": "2022.0.1",
              "versionStartIncluding": "2022"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:civil_3d:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F6A3326B-382B-4137-B0E7-0D54E825B717",
              "versionEndExcluding": "2019.1.3",
              "versionStartIncluding": "2019"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:civil_3d:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "48F67A57-7528-406B-9BF1-6A963F732564",
              "versionEndExcluding": "2020.1.4",
              "versionStartIncluding": "2020"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:civil_3d:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "825FC323-CAE7-4B39-85AD-966980D30D89",
              "versionEndExcluding": "2021.1.1",
              "versionStartIncluding": "2021"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:civil_3d:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F430EA73-2B9F-42D9-9005-42F439ABF63C",
              "versionEndExcluding": "2022.0.1",
              "versionStartIncluding": "2022"
            },
            {
              "criteria": "cpe:2.3:a:autodesk:dwg_trueview:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "713BBAEC-BE6D-40BC-9FB3-EBB906FB09BA",
              "versionEndExcluding": "2022.1.1",
              "versionStartIncluding": "2022"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@autodesk.com"
}