CVE-2025-34171

Summary

CasaOS versions up to and including 0.4.15 expose multiple unauthenticated endpoints that allow remote attackers to retrieve sensitive configuration files and system debug information. The /v1/users/image endpoint can be abused with a user-controlled path parameter to access files under /var/lib/casaos/1/, which reveals installed applications and configuration details. Additionally, /v1/sys/debug discloses host operating system, kernel, hardware, and storage information. The endpoints also return distinct error messages, enabling file existence enumeration of arbitrary paths on the underlying host filesystem. This information disclosure can be used for reconnaissance and to facilitate targeted follow-up attacks against services deployed on the host.

Affected Software

Weaknesses

• CWE-862: CWE-862 Missing Authorization
• CWE-497: CWE-497 Exposure of Sensitive System Information to an Unauthorized Control Sphere

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://casaos.zimaspace.com/
• https://github.com/IceWhaleTech/CasaOS
• https://www.vulncheck.com/advisories/casaos-unauthenticated-file-and-debug-data-exposure

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