CVE-2025-43596

Name: CVE-2025-43596
Creator: NVD / NIST
Published: 2025-05-22T17:15:24.057+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.5/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2025-43596 is a high-severity vulnerability rated 8.5/10 on the CVSS scale. 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).. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

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).

Metrics

CVSS 3.1

9.8/10

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

CVSS 4.0

8.5/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.35%

27.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Msp360	Backup	>= 8.0, < 8.1.1.19

References

https://help.msp360.com/cloudberry-backup/security/admin-privilegesProduct
https://help.msp360.com/cloudberry-backup/whats-newRelease Notes
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-119-01.jsonThird Party Advisory
https://www.cve.org/CVERecord?id=CVE-2025-43596Third Party Advisory

Timeline

Published: May 22, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-43596?

How severe is CVE-2025-43596?

CVE-2025-43596 has a CVSS score of 8.5/10 (HIGH severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2025-43596?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-43596?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST