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CVE-2025-2751— Open Asset Import Library Assimp CSM File CSMLoader.cpp InternReadFile out-of-bounds

Quick assessment

Affected
Open Asset Import Library Assimp
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Open Asset Import Library（assimp）是Open Asset Import Library开源的一个库。 Open Asset Import Library（assimp） 5.4.3版本存在缓冲区错误漏洞，该漏洞源于对参数na的错误操作会导致越界读取。

CVSS 4.3 · Medium EPSS 0.68% · P50
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I. Basic Information for CVE-2025-2751

Vulnerability Information
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Vulnerability Title
Open Asset Import Library Assimp CSM File CSMLoader.cpp InternReadFile out-of-bounds
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in Open Asset Import Library Assimp 5.4.3 and classified as problematic. This vulnerability affects the function Assimp::CSMImporter::InternReadFile of the file code/AssetLib/CSM/CSMLoader.cpp of the component CSM File Handler. The manipulation of the argument na leads to out-of-bounds read. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Open Asset Import Library（assimp）缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open Asset Import Library（assimp）是Open Asset Import Library开源的一个库。 Open Asset Import Library（assimp） 5.4.3版本存在缓冲区错误漏洞，该漏洞源于对参数na的错误操作会导致越界读取。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Open Asset Import Library Assimp 5.4.3 -

II. Public POCs for CVE-2025-2751

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III. Intelligence Information for CVE-2025-2751

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Vendor Advisories for CVE-2025-2751 (3)

News Coverage for CVE-2025-2751 (1)

Other References for CVE-2025-2751 (1)

Same Patch Batch · Open Asset Import Library · 2025-03-25 · 8 CVEs total

CVE-2025-2750 6.3 MEDIUM Open Asset Import Library Assimp CSM File CSMLoader.cpp InternReadFile out-of-bounds write
CVE-2025-2754 6.3 MEDIUM Open Asset Import Library Assimp AC3D File ACLoader.cpp ConvertObjectSection heap-based ov
CVE-2025-2753 6.3 MEDIUM Open Asset Import Library Assimp LWS File LWSLoader.cpp MergeScenes out-of-bounds
CVE-2025-2755 6.3 MEDIUM Open Asset Import Library Assimp AC3D File ACLoader.cpp ConvertObjectSection out-of-bounds
CVE-2025-2756 6.3 MEDIUM Open Asset Import Library Assimp AC3D File ACLoader.cpp ConvertObjectSection heap-based ov
CVE-2025-2757 6.3 MEDIUM Open Asset Import Library Assimp MD5 File MD5Parser.cpp AI_MD5_PARSE_STRING_IN_QUOTATION h
CVE-2025-2752 4.3 MEDIUM Open Asset Import Library Assimp CSM File fast_atof.h fast_atoreal_move out-of-bounds

IV. Related Vulnerabilities

Same product: Assimp
Same vendor: Open Asset Import Library
Same weakness: CWE-125

V. Comments for CVE-2025-2751

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