by Kastro
Paper/Archive/CVE-2025-43596

CVE-2025-43596

MSP360 Backup — MSP360 Backup (for Windows) insecure filesystem permissions

EPSS 0.4%public exploitCVSS 9.8
critical.is priorityof 100
47
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 39.0.390 × 207.8Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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).

Affected

ProductAffectedFixed inSource
Backup8.08.1.1.19CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
cisa-cg (CNA)8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
cisa-cg (CNA)7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

refhelp.msp360.com/cloudberry-backup/whats-newrefhelp.msp360.com/cloudberry-backup/security/admin-privilegesrefraw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-119-01.jsonrefcve.org/CVERecord?id=CVE-2025-43596