Open Asset Import Library Assimp File BaseImporter.cpp ConvertToUTF8 heap-based overflow
Published Mar 10, 2025
5.3
MEDIUMCVSS 4.0
EPSS 0.52%
Description
A vulnerability, which was classified as critical, has been found in Open Asset Import Library Assimp 5.4.3. This issue affects the function Assimp::BaseImporter::ConvertToUTF8 of the file BaseImporter.cpp of the component File Handler. The manipulation leads to heap-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Affected products
-
- Version 5.4.3StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Open Asset Import Library | Assimp | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/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
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1 other source (CVE.org) ▾
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Mar 10, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2025–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (4 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.52% (0.00520) | 42.07th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.48% (0.00485) | 37.77th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00039) | 8.70th | v4 (v2025.03.14) |
| Mar 11, 2025 | 0.05% (0.00051) | 23.11th | v3 (v2023.03.01) |
References (5)
- https://github.com/assimp/assimp/issues/6027 issue-trackingExploitIssue Tracking
- https://github.com/assimp/assimp/issues/6027#issue-2877629241 exploitissue-trackingIssue Tracking
- https://vuldb.com/?ctiid.299063 signaturepermissions-requiredPermissions RequiredVDB Entry
- https://vuldb.com/?id.299063 vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
- https://vuldb.com/?submit.510818 third-party-advisoryThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| https://github.com/assimp/assimp/issues/6027 | issue-trackingExploitIssue Tracking | |
| https://github.com/assimp/assimp/issues/6027#issue-2877629241 | exploitissue-trackingIssue Tracking | |
| https://vuldb.com/?ctiid.299063 | signaturepermissions-requiredPermissions RequiredVDB Entry | |
| https://vuldb.com/?id.299063 | vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry | |
| https://vuldb.com/?submit.510818 | third-party-advisoryThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.