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Medium severity · published Jun 16, 2025
CVE-2025-6120
A vulnerability classified as critical was found in Open Asset Import Library Assimp up to 5.4.3
5.3
CVSS
0.3%
EPSS
No
On KEV
Description
A vulnerability classified as critical was found in Open Asset Import Library Assimp up to 5.4.3. Affected by this vulnerability is the function read_meshes in the library assimp/code/AssetLib/MDL/HalfLife/HL1MDLLoader.cpp. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. 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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Assimp · Assimp
through 5.4.3 · source: NVD
Affected product
AS
Assimp
Assimp
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-6120
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-6120
Exploit
https://github.com/assimp/assimp/issues/6220
Issue Tracking
https://github.com/assimp/assimp/issues/6220#issuecomment-2945018579
Exploit
https://github.com/user-attachments/files/20605340/read_meshes_reproduce.tar.gz
Permissions Required
https://vuldb.com/?ctiid.312589
Third Party Advisory
https://vuldb.com/?id.312589
Third Party Advisory
https://vuldb.com/?submit.591235
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