Medium severity · published May 26, 2025
CVE-2025-5166
A vulnerability was found in Open Asset Import Library Assimp 5.4.3
5.5
CVSS
0.3%
EPSS
No
On KEV
Description
A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as problematic. Affected is the function MDCImporter::InternReadFile of the file assimp/code/AssetLib/MDC/MDCLoader.cpp of the component MDC File Parser. The manipulation of the argument pcVerts leads to out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The project decided to collect all Fuzzer bugs in a main-issue to address them in the future.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Assimp · Assimp
5.4.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-5166
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-5166
Issue Tracking
https://github.com/assimp/assimp/issues/6128
Exploit
https://github.com/assimp/assimp/issues/6168
Exploit
https://github.com/user-attachments/files/20208318/reproducer.zip
Permissions Required
https://vuldb.com/?ctiid.310254
Third Party Advisory
https://vuldb.com/?id.310254
Third Party Advisory
https://vuldb.com/?submit.578001
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