CVE-2021-40160

mediumpriority · track · 32EPSS 0.016 · 76 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.60% (76th) EPSS

CVSS 6.8 · medium

Is it mine?

21 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

PDFTron prior to 9.0.7 version may be forced to read beyond allocated boundaries when parsing a maliciously crafted PDF file. This vulnerability can be exploited to execute arbitrary code.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–7.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-125USprimary

affected products (21)

Products and version ranges known to be affected.

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≤ prior to 9.0.7enisa_euvdEU
autodesk advance steel2022 → 2022.1.1nvdUScpe:2.3:a:autodesk:advance_steel:*:*:*:*:*:*:*:*
autodesk autocad2022 → 2022.1.1nvdUScpe:2.3:a:autodesk:autocad:*:*:*:*:*:*:*:*
autodesk autocad2022 → 2022.2nvdUScpe:2.3:a:autodesk:autocad:*:*:*:*:*:*:*:*
autodesk autocad architecture2022 → 2022.1.1nvdUScpe:2.3:a:autodesk:autocad_architecture:*:*:*:*:*:*:*:*
autodesk autocad electrical2022 → 2022.1.1nvdUScpe:2.3:a:autodesk:autocad_electrical:*:*:*:*:*:*:*:*
autodesk autocad lt2022 → 2022.1.1nvdUScpe:2.3:a:autodesk:autocad_lt:*:*:*:*:*:*:*:*
autodesk autocad lt2022 → 2022.2nvdUScpe:2.3:a:autodesk:autocad_lt:*:*:*:*:*:*:*:*
autodesk autocad map 3d2022 → 2022.1.1nvdUScpe:2.3:a:autodesk:autocad_map_3d:*:*:*:*:*:*:*:*
autodesk autocad mechanical2022 → 2022.1.1nvdUScpe:2.3:a:autodesk:autocad_mechanical:*:*:*:*:*:*:*:*
autodesk autocad mep2022 → 2022.1.1nvdUScpe:2.3:a:autodesk:autocad_mep:*:*:*:*:*:*:*:*
autodesk autocad plant 3d2022 → 2022.1.1nvdUScpe:2.3:a:autodesk:autocad_plant_3d:*:*:*:*:*:*:*:*
autodesk civil 3d2022 → 2022.1.1nvdUScpe:2.3:a:autodesk:civil_3d:*:*:*:*:*:*:*:*
autodesk design review= 2018nvdUScpe:2.3:a:autodesk:design_review:*:*:*:*:*:*:*:*
autodesk navisworks2019 → 2019.6nvdUScpe:2.3:a:autodesk:navisworks:*:*:*:*:*:*:*:*
autodesk navisworks2020 → 2020.4nvdUScpe:2.3:a:autodesk:navisworks:*:*:*:*:*:*:*:*
autodesk navisworks2021 → 2021.3nvdUScpe:2.3:a:autodesk:navisworks:*:*:*:*:*:*:*:*
autodesk navisworks2022 → 2022.1nvdUScpe:2.3:a:autodesk:navisworks:*:*:*:*:*:*:*:*
autodesk revit2020 → 2020.2.5nvdUScpe:2.3:a:autodesk:revit:*:*:*:*:*:*:*:*
autodesk revit2021 → 2021.1.4nvdUScpe:2.3:a:autodesk:revit:*:*:*:*:*:*:*:*

showing 20 of 21

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-12-23modified 2026-06-17

related (11,879)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-11645US	—OT critical	2.44% (84th)	KEV	2026-06-09
Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium…
CVE-2026-3055US	critical9.8OT critical	91.5% (100th)	KEV	2026-03-23
Insufficient input validation in NetScaler ADC and NetScaler Gateway when configured as a SAML IDP leading to memory overread
CVE-2025-5777US	high7.5OT critical	100.0% (100th)	KEV	2025-06-17
Insufficient input validation leading to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server
CVE-2025-5419US	—OT critical	7.82% (95th)	KEV	2025-06-03
Out of bounds read and write in V8 in Google Chrome prior to 137.0.7151.68 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium secur…
CVE-2025-24991US	—OT critical	2.02% (81st)	KEV	2025-03-11
Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.

+11874 more

references (9)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan