CVE-2025-5165

Name: CVE-2025-5165
Creator: NVD / NIST
Published: 2025-05-26T03:15:36.373+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2025-5165 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. A vulnerability was found in Open Asset Import Library Assimp 5.4.3 and classified as problematic. This issue affects the function MDCImporter::ValidateSurfaceHeader of the file assimp/code/AssetLib/MDC/MDCLoader.cpp. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

A vulnerability was found in Open Asset Import Library Assimp 5.4.3 and classified as problematic. This issue affects the function MDCImporter::ValidateSurfaceHeader of the file assimp/code/AssetLib/MDC/MDCLoader.cpp. The manipulation of the argument pcSurface2 leads to out-of-bounds read. Attacking locally is a requirement. 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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

4.8/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.21%

11.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Assimp	Assimp	5.4.3

References

https://github.com/assimp/assimp/issues/6128Issue Tracking
https://github.com/assimp/assimp/issues/6167Exploit, Issue Tracking
https://github.com/user-attachments/files/20204942/reproducer.zipExploit
https://vuldb.com/?ctiid.310253Permissions Required, VDB Entry
https://vuldb.com/?id.310253Third Party Advisory, VDB Entry
https://vuldb.com/?submit.578000Third Party Advisory, VDB Entry
https://github.com/assimp/assimp/issues/6167Exploit, Issue Tracking

Timeline

Published: May 26, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-5165?

How severe is CVE-2025-5165?

CVE-2025-5165 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2025-5165?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-5165?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST