Read the docs
TI-2025-36192 Aliases CVE-2025-58432

ZimaOS Privilege Escalation using localhost calls to File API Upload

Priority MEDIUM 57CWE-250Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Privilege escalation
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-250.

Summary

ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. In version 1.4.1 and all prior versions, the /v2_1/files/file/uploadV2 endpoint allows file upload from ANY USER who has access to localhost. File uploads are performed AS ROOT.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0018 7th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
IceWhaleTechZimaOSup to 1.4.1—No fix listedCNA
  • ZimaOS VendorIceWhaleTech Affected up to 1.4.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:zimaspace:zimaos:*:*:*:*:*:*:*:*up to 1.4.1VulnerableZimaspace
  • cpe:2.3:o:zimaspace:zimaos:*:*:*:*:*:*:*:* Versions up to 1.4.1 Vulnerable ·Zimaspace

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-58432

References

Exploit 1

  • TI-2026-17591 ZimaOS has Authentication Bypass via System-Level Username CVSS 3.1CRITICAL 9.8
  • TI-2024-16284 CasaOS Improper Restriction of Excessive Authentication Attempts vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2024-16282 CasaOS-UserService allows unauthorized access to any file CVSS 3.1CRITICAL 9.8
  • TI-2024-32947 ZimaOS vulnerable to Directory Listing via Parameter Manipulation CVSS 3.1HIGH 7.5
  • TI-2024-32626 ZimaOS Arbitrary File Read via Parameter Manipulation CVSS 3.1HIGH 7.5
  • TI-2023-19077 CasaOS Command Injection vulnerability CVSS 3.1HIGH 8.8
See all 20 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences