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Advisory details: pypa / pyassimp/PYSEC-2025-261
Advisory ID pypa/pyassimp/PYSEC-2025-261
Aliases CVE-2025-3015
PYSEC-2025-261
Summary A vulnerability classified as critical has been found in Open Asset Import Library Assimp 5.4.3. This affects the function Assimp::ASEImporter::BuildUniqueRepresentation of the file code/AssetLib/ASE/ASELoader.cpp of the component ASE File Handler. The manipulation of the argument mIndices leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 6.0 is able to address this issue. The patch is named 7c705fde418d68cca4e8eff56be01b2617b0d6fe. It is recommended to apply a patch to fix this issue.
Status Published
Exploitability 0.5
Weighted Severity 7.9
Risk 4.0
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (0)
There are no known CWE.
System Score Found at
cvssv3.1 8.8 https://github.com/pypa/advisory-database/blob/main/vulns/pyassimp/PYSEC-2025-261.yaml
Reference id Reference type URL
6021 Bug https://github.com/assimp/assimp/issues/6021
6021#issue-2877378829 Bug https://github.com/assimp/assimp/issues/6021#issue-2877378829
6045 Bug https://github.com/assimp/assimp/pull/6045
7c705fde418d68cca4e8eff56be01b2617b0d6fe Other https://github.com/assimp/assimp/commit/7c705fde418d68cca4e8eff56be01b2617b0d6fe
?ctiid.302067 Other https://vuldb.com/?ctiid.302067
?id.302067 Advisory https://vuldb.com/?id.302067
?submit.524589 Advisory https://vuldb.com/?submit.524589
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/pypa/advisory-database/blob/main/vulns/pyassimp/PYSEC-2025-261.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-03-31T21:20:52Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2025/3xxx/CVE-2025-3015.json

Source Advisory: vulnrichment/CVE-2025-3015

View SSVC decision tree 
[{'Exploitation': 'poc'},
 {'Automatable': 'no'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]