# CVE-2025-3480: MedDream WEB DICOM Viewer Cleartext Transmission of Credentials Information Disclosure Vulnerability

> Network-adjacent attackers can intercept cleartext credentials transmitted by the MedDream WEB DICOM Viewer, potentially leading to account takeover.

- **Severity:** Medium 5.3 (`CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 22 May 2025
- **Updated:** 22 May 2025
- **Also known as:** GHSA-4r8r-5r92-x2m5

## What is CVE-2025-3480?

CVE-2025-3480 is a medium-severity vulnerability in MedDream WEB DICOM Viewer, published on 22 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

MedDream WEB DICOM Viewer Cleartext Transmission of Credentials Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of MedDream WEB DICOM Viewer. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the Web Portal. The issue results from the lack of encryption when transmitting credentials. An attacker can leverage this vulnerability to disclose transmitted credentials, leading to further compromise. Was ZDI-CAN-25842.

Weakness: CWE-319 (Cleartext Transmission of Sensitive Information), CWE-522 (Insufficiently Protected Credentials)

## Which versions are affected by CVE-2025-3480?

It affects 1 product.


Products: Meddream Pacs Server.

## How do I fix CVE-2025-3480?

No fix has been published for CVE-2025-3480 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-3480 being exploited?

There is no known exploitation of CVE-2025-3480 in the wild and no public exploit code.

## Other vulnerabilities in MedDream WEB DICOM Viewer

- [CVE-2025-3481](https://insights.sbomify.com/CVE-2025-3481/): MedDream PACS Server DICOM File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability (critical 9.8)
- [CVE-2025-3482](https://insights.sbomify.com/CVE-2025-3482/): MedDream PACS Server DICOM File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability (critical 9.8)
- [CVE-2025-3483](https://insights.sbomify.com/CVE-2025-3483/): MedDream PACS Server DICOM File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability (critical 9.8)
- [CVE-2025-3484](https://insights.sbomify.com/CVE-2025-3484/): MedDream PACS Server DICOM File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability (critical 9.8)
- [CVE-2025-53912](https://insights.sbomify.com/CVE-2025-53912/): Path traversal in MedDream PACS Premium (critical 9.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-3480 and fix it if it is affected.

What it is: CVE-2025-3480 is a medium-severity vulnerability in MedDream WEB DICOM Viewer, published on 22 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-3480 in the wild and no public exploit code.

Affected product: MedDream WEB DICOM Viewer. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-3480/ (Markdown: https://insights.sbomify.com/CVE-2025-3480/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-3480
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-3480
- OSV: https://osv.dev/vulnerability/CVE-2025-3480

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-3480/
Summaries are generated and may contain mistakes; the official description above is the record.