CVE-2025-2591

Name: CVE-2025-2591
Creator: NVD / NIST
Published: 2025-03-21T14:15:16.853+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2025-2591 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. A vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function MDLImporter::InternReadFile_Quake1 of the file code/AssetLib/MDL/MDLLoader.cpp. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

A vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function MDLImporter::InternReadFile_Quake1 of the file code/AssetLib/MDL/MDLLoader.cpp. The manipulation of the argument skinwidth/skinheight leads to divide by zero. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is identified as ab66a1674fcfac87aaba4c8b900b315ebc3e7dbd. It is recommended to apply a patch to fix this issue.

Metrics

CVSS 3.1

5.5/10

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

CVSS 4.0

5.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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

0.60%

44.2th 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/6009Exploit, Issue Tracking
https://github.com/assimp/assimp/issues/6009#issue-2877367021Exploit, Issue Tracking
https://github.com/assimp/assimp/pull/6047Patch
https://github.com/assimp/assimp/pull/6047/commits/ab66a1674fcfac87aaba4c8b900b315ebc3e7dbdPatch
https://vuldb.com/?ctiid.300574Permissions Required, VDB Entry
https://vuldb.com/?id.300574Third Party Advisory, VDB Entry
https://vuldb.com/?submit.517781Third Party Advisory, VDB Entry

Timeline

Published: Mar 21, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-2591?

How severe is CVE-2025-2591?

CVE-2025-2591 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2025-2591?

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-2025-2591?

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

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Source: NVD / NIST