CVE-2025-43596

MSP360 Backup (for Windows) insecure filesystem permissions

CVSS 8.5 HIGHEPSS 0.4%CWE-276

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.5EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

22 May 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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).

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

Affected products

MSP360 · Backup

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References

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