CVE-2025-5474 — HIGH (7.3) — White Hats Nepal

Vulnerability 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.

CVSS Score

7.3

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
2Brightsparks	Syncbackfree	11.3.87.0

Related Weaknesses (CWE)

CWE-59

References

https://www.zerodayinitiative.com/advisories/ZDI-25-322/Third Party Advisory

FAQ

What is CVE-2025-5474?

CVE-2025-5474 is a vulnerability with a CVSS score of 7.3 (HIGH). 2BrightSparks SyncBackFree Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of 2BrightSparks SyncBack...

How severe is CVE-2025-5474?

CVE-2025-5474 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-5474?

Check the references section above for vendor advisories and patch information. Affected products include: 2Brightsparks Syncbackfree.