{"id":"CVE-2025-43596","aliases":["EUVD-2025-16169","GHSA-9r52-rcmc-x62w"],"status":"published","title":"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).","severity":{"version":"4.0","score":8.5,"vector":"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00448,"percentile":0.39214,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-276"],"published":"2025-05-22T16:49:06Z","modified":"2026-06-17T09:24:19Z","products":[{"vendor":"msp360","product":"backup"},{"vendor":"supsystic","product":"backup"}],"references":[{"url":"https://help.msp360.com/cloudberry-backup/whats-new","tags":["Release Notes"]},{"url":"https://help.msp360.com/cloudberry-backup/security/admin-privileges","tags":["Product"]},{"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-119-01.json","tags":["Third Party Advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-43596","tags":["Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-43596"},{"url":"https://github.com/advisories/GHSA-9r52-rcmc-x62w"}],"sources":{"cve":[{"id":"CVE-2025-43596","title":"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).","status":"published","published":"2025-05-22T16:49:06.833Z","modified":"2025-05-22T19:33:20.668Z","cvss":[{"version":"4.0","score":8.5,"vector":"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","level":"high","assessor":"cna"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:32:27.28543Z"}],"euvd":[{"id":"EUVD-2025-16169","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).","status":"published","published":"2025-05-22T16:49:06Z","modified":"2025-05-22T19:33:20Z","cvss":[{"version":"4.0","score":8.5,"vector":"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","level":"high"}],"updated_at":"2026-11-02T20:32:39.383071Z"}],"ghsa":[{"id":"GHSA-9r52-rcmc-x62w","title":"An insecure file system permissions vulnerability in MSP360 Backup 8.0 allows a low privileged...","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).","status":"published","published":"2025-05-22T18:31:16Z","modified":"2025-05-22T18:31:22Z","cvss":[{"version":"4.0","score":8.5,"vector":"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","level":"high"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T15:02:24.698205Z"}],"nvd":[{"id":"CVE-2025-43596","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).","status":"published","published":"2025-05-22T17:15:24.057Z","modified":"2026-06-17T09:24:19.7Z","cvss":[{"version":"4.0","score":8.5,"vector":"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","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:11:09.562272Z"}]}}