CVE-2025-5201 - CVE House

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Status published Medium CVE-2025-5201

Open Asset Import Library Assimp LWOLoader.cpp CountVertsAndFacesLWO2 out-of-bounds

4.8 CVSS

Vulnerability Description

A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as problematic. Affected is the function LWOImporter::CountVertsAndFacesLWO2 of the file assimp/code/AssetLib/LWO/LWOLoader.cpp. The manipulation leads to out-of-bounds read. The attack needs to be approached locally. 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from Open Asset Import Library

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Open Asset Import Library Assimp HL1MDLLoader.cpp read_meshes heap-based overflow

Open Asset Import Library Assimp BVHLoader.cpp ReadNodeChannels use after free

Open Asset Import Library Assimp MDLMaterialLoader.cpp ParseSkinLump_3DGS_MDL7 out-of-bounds

Open Asset Import Library Assimp ParsingUtils.h SkipSpaces out-of-bounds

Open Asset Import Library Assimp HL1MDLLoader.cpp validate_header out-of-bounds

Affected Vendor

Open Asset Import Library

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Affected Software

Assimp

Vulnerable Versions:

5.4.3

Timeline

Official Publish: May 26th, 2025

Last Modified: May 28th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)

CWE-125 CWE-119

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1213 Data from Information Repositories

T1003 OS Credential Dumping

Credential Access

T1552 Unsecured Credentials

Credential Access

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1203 Exploitation for Client Execution

T1055 Process Injection

Defense Evasion

T1105 Ingress Tool Transfer

Command and Control