Issue affecting Amazon WorkSpaces (when running Amazon DCV protocol), Amazon AppStream 2.0, and Amazon DCV clients
Priority LOW 36CWE-295Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-295.
Summary
An issue in the native clients for Amazon WorkSpaces (when running Amazon DCV protocol), Amazon AppStream 2.0, and Amazon DCV Clients may allow an attacker to access remote sessions via man-in-the-middle.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00509 43rd percentileScored 2026-11-07
Fix Fixed WorkSpaces Client (Amazon): 5.21.0, 2024.2AppStream 2.0 Client (Amazon): 1.1.1332+1 more product
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| AWS | WorkSpaces Client | 5.0.0 to before 5.21.0 | 5.21.0 | Patch available | CNA |
| AWS | WorkSpaces Client | 2023.0 to before 2024.2 | 2024.2 | Patch available | CNA |
| AWS | AppStream 2.0 Client | 1.1.1025 to before 1.1.1332 | 1.1.1332 | Patch available | CNA |
| AWS | DCV Client | before 2023.1.6703 | 2023.1.6703 | Patch available | CNA |
| AWS | DCV Client | 2020.2.7459 to before 2023.1.9127 | 2023.1.9127 | Patch available | CNA |
| AWS | WorkSpaces Client | 5.5.0 to before 5.21.0 | 5.21.0 | Patch available | CNA |
| AWS | DCV Client | 2020.2.2078 to before 2023.1.6703 | 2023.1.6703 | Patch available | CNA |
- WorkSpaces Client VendorAWS Affected 5.0.0 to before 5.21.0 Fixed in 5.21.0 Patch available CNA
- WorkSpaces Client VendorAWS Affected 2023.0 to before 2024.2 Fixed in 2024.2 Patch available CNA
- AppStream 2.0 Client VendorAWS Affected 1.1.1025 to before 1.1.1332 Fixed in 1.1.1332 Patch available CNA
- DCV Client VendorAWS Affected before 2023.1.6703 Fixed in 2023.1.6703 Patch available CNA
- DCV Client VendorAWS Affected 2020.2.7459 to before 2023.1.9127 Fixed in 2023.1.9127 Patch available CNA
- WorkSpaces Client VendorAWS Affected 5.5.0 to before 5.21.0 Fixed in 5.21.0 Patch available CNA
- DCV Client VendorAWS Affected 2020.2.2078 to before 2023.1.6703 Fixed in 2023.1.6703 Patch available CNA
Remediation
- Fix · CNA WorkSpaces Client (Amazon) Fixed in 5.21.0
- Fix · CNA WorkSpaces Client (Amazon) Fixed in 2024.2
- Fix · CNA AppStream 2.0 Client (Amazon) Fixed in 1.1.1332
- Fix · CNA DCV Client (Amazon) Fixed in 2023.1.6703
- Fix · CNA DCV Client (Amazon) Fixed in 2023.1.9127
- Fix · CNA WorkSpaces Client (Amazon) Fixed in 5.21.0
- Fix · CNA DCV Client (Amazon) Fixed in 2023.1.6703
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Amazon WorkSpaces Client — aws.amazon.com/security/security-bulletins/AWS-2025-001
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2025-00415 Issue affecting Amazon WorkSpaces Clients (when running PCoIP protocol)Priority LOW 36
Timeline
- 2026-10-02 Threatist record created from CVE-2025-0500
- 2026-10-03 Alias added: GHSA-99ph-c47h-7pf8
References
Patch 5
- 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/appstream2/latest/developerguide/client-release-versions.html
- https://docs.aws.amazon.com/dcv/latest/adminguide/doc-history-release-notes.html#dcv-2023-1-16388jul
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Sources
- CVE-2025-0500 · CVE Program
- CVE-2025-0500 · NVD
- FIRST EPSS
- GHSA-99ph-c47h-7pf8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences