CVE-2021-27042

HIGH
7.8
CVSS Score
Published: June 25, 2021 at 12:41 PM UTC
Updated: June 17, 2026 at 03:44 AM UTC
10 products affected across 1 vendorAutoCADAutoCAD ElectricalCivil 3D

Using Autodesk Advanced Steel, Civil 3D, AutoCAD, AutoCAD LT, AutoCAD Architecture, AutoCAD Electrical, AutoCAD Map 3D, AutoCAD Mechanical, AutoCAD MEP, AutoCAD Plant 3D by N/A?

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Severity
HIGH7.8
Exploit prediction
EPSS 2%

Description

A maliciously crafted DWG file can be used to write beyond the allocated buffer while parsing DWG files. The vulnerability exists because the application fails to handle a crafted DWG file, which causes an unhandled exception. An attacker can leverage this vulnerability to execute arbitrary code.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2019 ≤ v < 2019.1.32020 ≤ v < 2020.1.42021 ≤ v < 2021.1.12022 ≤ v < 2022.0.12022.1.1
Affected range stops below 2019.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 2020.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 2021.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 2022.0.1, so it looks safe — our inference, not a vendor statement
2019 ≤ v < 2019.1.32020 ≤ v < 2020.1.42021 ≤ v < 2021.1.12022 ≤ v < 2022.0.12022.1.1
Affected range stops below 2019.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 2020.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 2021.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 2022.0.1, so it looks safe — our inference, not a vendor statement
2019 ≤ v < 2019.1.32020 ≤ v < 2020.1.42021 ≤ v < 2021.1.12022 ≤ v ≤ 2022.0.12022.1.1
Affected range stops below 2019.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 2020.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 2021.1.1, so it looks safe — our inference, not a vendor statement
2019 ≤ v < 2019.1.32020 ≤ v < 2020.1.42021 ≤ v < 2021.1.12022 ≤ v < 2022.0.12022.1.1
Affected range stops below 2019.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 2020.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 2021.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 2022.0.1, so it looks safe — our inference, not a vendor statement
2019 ≤ v < 2019.1.32020 ≤ v < 2020.1.42021 ≤ v < 2021.1.12022 ≤ v < 2022.0.12022.1.1
Affected range stops below 2019.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 2020.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 2021.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 2022.0.1, so it looks safe — our inference, not a vendor statement
2019 ≤ v < 2019.1.32020 ≤ v < 2020.1.42021 ≤ v < 2021.1.12022 ≤ v < 2022.0.12022.1.1
Affected range stops below 2019.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 2020.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 2021.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 2022.0.1, so it looks safe — our inference, not a vendor statement
2019 ≤ v < 2019.1.32020 ≤ v < 2020.1.42021 ≤ v < 2021.1.12022 ≤ v < 2022.0.12022.1.1
Affected range stops below 2019.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 2020.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 2021.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 2022.0.1, so it looks safe — our inference, not a vendor statement
2019 ≤ v < 2019.1.32020 ≤ v < 2020.1.42021 ≤ v < 2021.1.12022 ≤ v < 2022.0.12022.1.1
Affected range stops below 2019.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 2020.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 2021.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 2022.0.1, so it looks safe — our inference, not a vendor statement
2019 ≤ v < 2019.1.32020 ≤ v < 2020.1.42021 ≤ v < 2021.1.12022 ≤ v < 2022.0.12022.1.1
Affected range stops below 2019.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 2020.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 2021.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 2022.0.1, so it looks safe — our inference, not a vendor statement
2019 ≤ v < 2019.1.32020 ≤ v < 2020.1.42021 ≤ v < 2021.1.12022 ≤ v < 2022.0.12022.1.1
Affected range stops below 2019.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 2020.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 2021.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 2022.0.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-755

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