MSP360 Free Backup Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of MSP360 Free Backup. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. User interaction on the part of an administrator is needed additionally.

The specific flaw exists within the restore functionality. By creating a junction, an attacker can abuse the service to create arbitrary files. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-27245.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 24 Dec 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 24 Dec 2025 12:00:00 +0000

Type Values Removed Values Added
First Time appeared Msp360
Msp360 backup
Vendors & Products Msp360
Msp360 backup

Tue, 23 Dec 2025 22:00:00 +0000

Type Values Removed Values Added
Description MSP360 Free Backup Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of MSP360 Free Backup. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. User interaction on the part of an administrator is needed additionally. The specific flaw exists within the restore functionality. By creating a junction, an attacker can abuse the service to create arbitrary files. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-27245.
Title MSP360 Free Backup Link Following Local Privilege Escalation Vulnerability
Weaknesses CWE-59
References
Metrics cvssV3_0

{'score': 7.3, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published:

Updated: 2025-12-24T16:06:22.818Z

Reserved: 2025-11-06T20:08:27.746Z

Link: CVE-2025-12838

cve-icon Vulnrichment

Updated: 2025-12-24T16:06:19.973Z

cve-icon NVD

Status : Received

Published: 2025-12-23T22:15:44.277

Modified: 2025-12-23T22:15:44.277

Link: CVE-2025-12838

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-24T11:51:22Z

Weaknesses