Autocad
CVE-2021-27043
HIGH
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
An Arbitrary Address Write issue in the Autodesk DWG application can allow a malicious user to leverage the application to write in unexpected paths. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. 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. Affected products include: Autodesk Advance Steel, Autodesk Autocad, Autodesk Autocad Architecture, Autodesk Autocad Electrical, Autodesk Autocad Lt.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).
A maliciously crafted MODEL, SLDASM, SAT or CATPART file when parsed through Autodesk AutoCAD 2024 and 2023 could cause
A maliciously crafted PRT file when parsed through Autodesk AutoCAD 2024 and 2023 can be used to cause an Out-Of-Bounds
A maliciously crafted CATPART file when parsed through Autodesk AutoCAD 2024 and 2023 can be used to cause an Out-Of-Bou
A maliciously crafted MODEL file when parsed through Autodesk AutoCAD 2024 and 2023 can be used to cause a Heap-Based Bu
Arbitrary code execution in Autodesk AutoCAD, AutoCAD LT, and DWG TrueView occurs when a user opens a maliciously crafte
Untrusted pointer dereference in Autodesk products' BMP file parser enables arbitrary code execution in the context of t
A maliciously crafted JPG file, when linked or imported into certain Autodesk applications, can force a Heap-Based Overf
A maliciously crafted MODEL file, when parsed through Autodesk AutoCAD, can force an Out-of-Bounds Read vulnerability. R
A maliciously crafted MODEL file, when parsed through Autodesk AutoCAD, can force a Heap-Based Overflow vulnerability. R
A maliciously crafted CATPRODUCT file, when parsed through Autodesk AutoCAD, can force an Uninitialized Variable vulnera
A maliciously crafted CATPRODUCT file, when parsed through Autodesk AutoCAD, can force an Uninitialized Variable vulnera
A maliciously crafted MODEL file, when parsed through Autodesk AutoCAD, can force an Out-of-Bounds Read vulnerability. R
Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Buffer Overflow
View allShare
External POC / Exploit Code
Leaving vuln.today