How severe is CVE-2025-5474?

CVE-2025-5474 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-5474 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-5474?

CVE-2025-5474 affects 2brightsparks Syncbackfree. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-5474?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-5474 have an EU (EUVD) identifier?

Yes. CVE-2025-5474 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17357.

When was CVE-2025-5474 published?

CVE-2025-5474 was published on 2025-06-06 and last updated on 2026-06-17.

CVE-2025-5474

CVE-2025-5474 is a high-severity vulnerability in 2brightsparks Syncbackfree with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-17357
Weakness: CWE-59
Affected product: 2brightsparks Syncbackfree
Published: 2025-06-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-5474?: 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.
How severe is CVE-2025-5474?: CVE-2025-5474 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-5474 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-5474?: CVE-2025-5474 affects 2brightsparks Syncbackfree. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-5474?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-5474 have an EU (EUVD) identifier?: Yes. CVE-2025-5474 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17357.
When was CVE-2025-5474 published?: CVE-2025-5474 was published on 2025-06-06 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:2brightsparks:syncbackfree:11.3.87.0:*:*:*:*:*:*:*

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