CVE-2025-43596

MSP360 Backup (for Windows) insecure filesystem permissions

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).

Category

8.5
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.02%
Affected: MSP360 Backup
Published at:
Updated at:

References

Link Tags
https://help.msp360.com/cloudberry-backup/whats-new
https://help.msp360.com/cloudberry-backup/security/admin-privileges
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

Frequently Asked Questions

What is the severity of CVE-2025-43596?
CVE-2025-43596 has been scored as a high severity vulnerability.
How to fix CVE-2025-43596?
To fix CVE-2025-43596, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-43596 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-43596 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-43596?
CVE-2025-43596 affects MSP360 Backup.
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