CVE-2021-40161 (GCVE-0-2021-40161)
Vulnerability from cvelistv5 – Published: 2021-12-23 18:31 – Updated: 2024-08-04 02:27
VLAI
EPSS
VEX
Summary
A Memory Corruption vulnerability may lead to code execution through maliciously crafted DLL files through PDFTron earlier than 9.0.7 version.
Severity
7.8 (High)
CWE
- Memory Corruption Vulnerability
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.autodesk.com/trust/security-advisorie… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| n/a | Revit, Navisworks, Autodesk® Advance Steel, AutoCAD®, AutoCAD® Architecture, AutoCAD® Electrical, AutoCAD® Map 3D, AutoCAD® Mechanical, AutoCAD® MEP, AutoCAD® Plant 3D, AutoCAD® LT, Autodesk® Civil 3D, AutoCAD® Mac, AutoCAD® LT for Mac |
Affected:
prior to 9.0.7
|
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{
"criteria": "cpe:2.3:a:autodesk:design_review:2018:hotfix:*:*:*:*:*:*",
"matchCriteriaId": "2D0CF4DC-ACA5-41D0-B28E-CEB5D2C96F71",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:autodesk:design_review:2018:hotfix2:*:*:*:*:*:*",
"matchCriteriaId": "84ED1789-A17F-48F7-A152-09D2A5C59254",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:autodesk:design_review:2018:hotfix3:*:*:*:*:*:*",
"matchCriteriaId": "74819924-EB63-4BBF-9986-FEF6100EEE15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:autodesk:design_review:2018:hotfix4:*:*:*:*:*:*",
"matchCriteriaId": "100922EF-C773-4798-B352-B16FCAD48F36",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A Memory Corruption vulnerability may lead to code execution through maliciously crafted DLL files through PDFTron earlier than 9.0.7 version."
},
{
"lang": "es",
"value": "Una vulnerabilidad de corrupci\u00f3n de memoria puede conducir a la ejecuci\u00f3n de c\u00f3digo a trav\u00e9s de archivos DLL maliciosamente dise\u00f1ados a trav\u00e9s de PDFTron anterior a la versi\u00f3n 9.0.7"
}
],
"id": "CVE-2021-40161",
"lastModified": "2026-06-17T04:06:36.960",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.4,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.4,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-12-23T19:15:12.167",
"references": [
{
"source": "psirt@autodesk.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://www.autodesk.com/trust/security-advisories/adsk-sa-2021-0010"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://www.autodesk.com/trust/security-advisories/adsk-sa-2021-0010"
}
],
"sourceIdentifier": "psirt@autodesk.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T13:35:25+00:00",
"cve": "CVE-2021-40161",
"id": "CVE-2021-40161",
"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-2021-40161",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-40161.json",
"version": "3"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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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.
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.
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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.
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