{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-5474", "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "state": "PUBLISHED", "assignerShortName": "zdi", "dateReserved": "2025-06-02T19:06:52.608Z", "datePublished": "2025-06-06T18:46:05.117Z", "dateUpdated": "2025-06-09T16:48:45.697Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "shortName": "zdi", "dateUpdated": "2025-06-06T18:46:05.117Z"}, "title": "2BrightSparks SyncBackFree Link Following Local Privilege Escalation Vulnerability", "descriptions": [{"lang": "en", "value": "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.\n\nThe 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."}], "affected": [{"vendor": "2BrightSparks", "product": "SyncBackFree", "versions": [{"version": "11.3.87.0", "status": "affected"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-59", "description": "CWE-59: Improper Link Resolution Before File Access ('Link Following')", "type": "CWE"}]}], "references": [{"url": "https://www.zerodayinitiative.com/advisories/ZDI-25-322/", "name": "ZDI-25-322", "tags": ["x_research-advisory"]}], "dateAssigned": "2025-06-02T19:06:52.656Z", "datePublic": "2025-06-03T21:44:03.459Z", "source": {"lang": "en", "value": "Sharkkcode and Zeze with TeamT5"}, "metrics": [{"format": "CVSS", "cvssV3_0": {"version": "3.0", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.3, "baseSeverity": "HIGH"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-06-09T16:47:59.148429Z", "id": "CVE-2025-5474", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-06-09T16:48:45.697Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:2brightsparks:syncbackfree:11.3.87.0:*:*:*:*:*:*:*", "matchCriteriaId": "98218348-2896-4057-8754-8D6F243BFB63", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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.\n\nThe 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."}, {"lang": "es", "value": "Vulnerabilidad de escalada de privilegios locales tras enlaces en 2BrightSparks SyncBackFree. Esta vulnerabilidad permite a atacantes locales escalar privilegios en las instalaciones afectadas de 2BrightSparks SyncBackFree. Para explotar esta vulnerabilidad, un atacante debe ejecutar c\u00f3digo con pocos privilegios en el sistema objetivo. Tambi\u00e9n se requiere la interacci\u00f3n del administrador. La falla espec\u00edfica se encuentra en la funcionalidad Mirror. Al crear una uni\u00f3n, un atacante puede abusar del servicio para eliminar archivos arbitrarios. Un atacante puede aprovechar esta vulnerabilidad para escalar privilegios y ejecutar c\u00f3digo arbitrario en el contexto del SYSTEM. Anteriormente, se denominaba ZDI-CAN-26962."}], "id": "CVE-2025-5474", "lastModified": "2025-08-18T15:59:55.057", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.3, "impactScore": 5.9, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}, "published": "2025-06-06T19:15:27.613", "references": [{"source": "zdi-disclosures@trendmicro.com", "tags": ["Third Party Advisory"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-25-322/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}], "source": "zdi-disclosures@trendmicro.com", "type": "Primary"}]}

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