What is CVE-2025-43595?

CVE-2025-43595 is a high-severity vulnerability in Linux Kernel, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2025-05-01.

How severe is CVE-2025-43595?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Linux Kernel

CVE-2025-43595

An insecure file system permissions vulnerability in MSP360 Backup 4.3.1.115 allows a low privileged user to execute commands with root privileges in the 'Online Backup' folder. Upgrade to MSP360 Backup 4.4 (released on 2025-04-22).

Published 2025-05-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (36.2th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Linux Kernel
Msp360 Backup — versions 4.3.1.115, 4.4

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

9119a7d8-5eab-497f-8521-727c672e3725 (Release Notes)
9119a7d8-5eab-497f-8521-727c672e3725 (Third Party Advisory)
9119a7d8-5eab-497f-8521-727c672e3725 (Third Party Advisory)

Frequently asked questions

What is CVE-2025-43595?: CVE-2025-43595 is a high-severity vulnerability in Linux Kernel, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2025-05-01.
How severe is CVE-2025-43595?: High severity. CVSS v3 base score is 7.8 out of 10.