How severe is CVE-2025-3481?

CVE-2025-3481 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-3481 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3481?

CVE-2025-3481 affects Meddream Pacs Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3481?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-3481 have an EU (EUVD) identifier?

Yes. CVE-2025-3481 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16099.

When was CVE-2025-3481 published?

CVE-2025-3481 was published on 2025-05-22 and last updated on 2026-06-17.

CVE-2025-3481

CVE-2025-3481 is a high-severity vulnerability in Meddream Pacs Server with a CVSS 3.x base score of 7.8. 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-121.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16099
Weakness: CWE-121
Affected product: Meddream Pacs Server
Published: 2025-05-22
Last modified: 2026-06-17

Description

MedDream PACS Server DICOM File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of MedDream PACS Server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing of DICOM files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-25827.

Frequently asked questions

What is CVE-2025-3481?: MedDream PACS Server DICOM File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of MedDream PACS Server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing of DICOM files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-25827.
How severe is CVE-2025-3481?: CVE-2025-3481 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-3481 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3481?: CVE-2025-3481 affects Meddream Pacs Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3481?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-3481 have an EU (EUVD) identifier?: Yes. CVE-2025-3481 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16099.
When was CVE-2025-3481 published?: CVE-2025-3481 was published on 2025-05-22 and last updated on 2026-06-17.

References

https://www.zerodayinitiative.com/advisories/ZDI-25-245/

Affected products (1)

cpe:2.3:a:meddream:pacs_server:*:*:*:*:premium:*:*:*

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