CVE-2025-43596

MSP360 Backup (for Windows) insecure filesystem permissions

Published May 22, 2025 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Description
An insecure file system permissions vulnerability in MSP360 Backup 8.0 allows a low privileged user to execute commands with SYSTEM level privileges using a specially crafted file with an arbitrary file backup target. Upgrade to MSP360 Backup 8.1.1.19 (released on 2025-05-15).

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-16169 An insecure file system permissions vulnerability in MSP360 Backup 8.0 allows a low privileged user to execute commands with SYSTEM level privileges using a specially crafted file with an arbitrary file backup target. Upgrade to MSP360 Backup 8.1.1.19 (released on 2025-05-15).
History
Type Values Removed Values Added
First Time appeared Msp360
Msp360 backup
CPEs cpe:2.3:a:msp360:backup:*:*:*:*:*:*:*:*
Vendors & Products Msp360
Msp360 backup
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An insecure file system permissions vulnerability in MSP360 Backup 8.0 allows a low privileged user to execute commands with SYSTEM level privileges using a specially crafted file with an arbitrary file backup target. Upgrade to MSP360 Backup 8.1.1.19 (released on 2025-05-15).
Title MSP360 Backup (for Windows) insecure filesystem permissions
Weaknesses CWE-276
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses
  • CWE-276

    Incorrect Default Permissions

Sources

Status
PUBLISHED
Assigner
cisa-cg
Published
Updated
May 22, 2025, 7:33 PM
Reserved
Apr 16, 2025, 5:28 PM
Status
Analyzed
Published
May 22, 2025, 5:15 PM
Modified
Jun 17, 2026, 9:24 AM