How severe is CVE-2025-5203?

CVE-2025-5203 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-5203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-5203?

CVE-2025-5203 affects Assimp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-5203?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-5203 have an EU (EUVD) identifier?

Yes. CVE-2025-5203 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16279.

When was CVE-2025-5203 published?

CVE-2025-5203 was published on 2025-05-26 and last updated on 2026-06-17.

CVE-2025-5203

CVE-2025-5203 is a low-severity vulnerability in Assimp with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 4.8
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16279
Weakness: CWE-125
Affected product: Assimp
Published: 2025-05-26
Last modified: 2026-06-17

Description

A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been rated as problematic. Affected by this issue is the function SkipSpaces in the library assimp/include/assimp/ParsingUtils.h. The manipulation leads to out-of-bounds read. Local access is required to approach this attack. 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.

Frequently asked questions

What is CVE-2025-5203?: A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been rated as problematic. Affected by this issue is the function SkipSpaces in the library assimp/include/assimp/ParsingUtils.h. The manipulation leads to out-of-bounds read. Local access is required to approach this attack. 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.
How severe is CVE-2025-5203?: CVE-2025-5203 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-5203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-5203?: CVE-2025-5203 affects Assimp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-5203?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-5203 have an EU (EUVD) identifier?: Yes. CVE-2025-5203 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16279.
When was CVE-2025-5203 published?: CVE-2025-5203 was published on 2025-05-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:assimp:assimp:*:*:*:*:*:*:*:*

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