CVE-2025-5474

2BrightSparks SyncBackFree Link Following Local Privilege Escalation Vulnerability

Published Jun 6, 2025 CVSS 3.0 · 7.3 High EPSS < 1% KEV · Not listed
Description
2BrightSparks SyncBackFree Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of 2BrightSparks SyncBackFree. 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 also required.

The specific flaw exists within the Mirror functionality. By creating a junction, an attacker can abuse the service to delete arbitrary files. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-26962.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-17357 2BrightSparks SyncBackFree Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of 2BrightSparks SyncBackFree. 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 also required. The specific flaw exists within the Mirror functionality. By creating a junction, an attacker can abuse the service to delete arbitrary files. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-26962.
History
Type Values Removed Values Added
First Time appeared 2brightsparks
2brightsparks syncbackfree
CPEs cpe:2.3:a:2brightsparks:syncbackfree:11.3.87.0:*:*:*:*:*:*:*
Vendors & Products 2brightsparks
2brightsparks syncbackfree
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description 2BrightSparks SyncBackFree Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of 2BrightSparks SyncBackFree. 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 also required. The specific flaw exists within the Mirror functionality. By creating a junction, an attacker can abuse the service to delete arbitrary files. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-26962.
Title 2BrightSparks SyncBackFree 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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
zdi
Published
Updated
Jun 9, 2025, 4:48 PM
Reserved
Jun 2, 2025, 7:06 PM
Status
Analyzed
Published
Jun 6, 2025, 7:15 PM
Modified
Jun 17, 2026, 9:47 AM