CVE-2025-43596CRITICAL 9.8EPSS p29.5%

CVE-2025-43596CVE-2025-43596

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).

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.37% probability of exploitation · percentile 29.5% · 2026-08-03T12:00:16Z
Published2025-05-22
Last modified2025-09-23

Underlying weaknesses· 1

CWE-276

References

  1. https://help.msp360.com/cloudberry-backup/security/admin-privileges
  2. https://help.msp360.com/cloudberry-backup/whats-new
  3. https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-119-01.json
  4. https://www.cve.org/CVERecord?id=CVE-2025-43596

1

TypeTargetConfidenceTier
WeaknessIncorrect Default Permissionscwe-2760%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.