Parsing a maliciously crafted X_B file can force Autodesk AutoCAD 2023 and 2022 to read beyond allocated boundaries.

published 2022-10-03 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-36922

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 3.1%; EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits: 0; none known

Parsing a maliciously crafted X_B file can force Autodesk AutoCAD 2023 and 2022 to read beyond allocated boundaries. This vulnerability in conjunction with other vulnerabilities could lead to code execution in the context of the current process.

Patch / fix

fixed in 10

autodesk autocad 2020.1.6, 2021.1.3, 2022.1.3, 2023.1.1
autodesk autocad_advance_steel 2020.1.6, 2021.1.3, 2022.1.3, 2023.1.1
autodesk autocad_architecture 2020.1.6, 2021.1.3, 2022.1.3, 2023.1.1
autodesk autocad_civil_3d 2020.1.6, 2021.1.3, 2022.1.3, 2023.1.1
autodesk autocad_electrical 2020.1.6, 2021.1.3, 2022.1.3, 2023.1.1
autodesk autocad_lt 2020.1.6, 2021.1.3, 2022.1.3, 2023.1.1
autodesk autocad_map_3d 2020.1.6, 2021.1.3, 2022.1.3, 2023.1.1
autodesk autocad_mechanical 2020.1.6, 2021.1.3, 2022.1.3, 2023.1.1
autodesk autocad_mep 2020.1.6, 2021.1.3, 2022.1.3, 2023.1.1
autodesk autocad_plant_3d 2020.1.6, 2021.1.3, 2022.1.3, 2023.1.1

Exploit prediction

3.12% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

n/a utodesk® AutoCAD®, Advance Steel and Civil 3D®

Classification

Weakness

CWE-125 Out-of-bounds Read

References

autodesk.com /trust/security-advisories/adsk-sa-2022-0020
vendor-advisory

Sources

CVE List CVE-2022-33884
NVD CVE-2022-33884

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary