CVE-2025-43596: backup Permission Flaw (CVSS 7.8)

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).

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CVSS v3.1 Score

7.8

HIGH

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

Weakness Type (CWE)

CWE-276 Incorrect Default Permissions

Affected Products

Vendor	Product	Versions
msp360	backup	8.0 — 8.1.1.19

References

Other 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

Frequently Asked Questions

What is CVE-2025-43596? +

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). It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-43596? +

CVE-2025-43596 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-43596? +

CVE-2025-43596 affects products from msp360, specifically: backup. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-43596? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-43596