CVE-2025-43596

8.5 highEPSS 0.4%

High (8.5) in msp360 backup. EPSS 0.4% chance of exploitation in the next 30 days.

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).

Severity

CVSS 4.0

8.5 high

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

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-31)
CWE: CWE-276
Published: 2025-05-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

msp360:backup

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

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