FKIE_CVE-2025-66545
Vulnerability from fkie_nvd - Published: 2025-12-05 18:15 - Updated: 2026-10-15 21:10
Severity
3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
4.3 (Medium) - CVSS:3.1/
Summary
Nextcloud Groupfolders provides admin-configured folders shared by everyone in a group or team. Prior to 14.0.11, 15.3.12, 16.0.15, 17.0.14, 18.1.8, 19.1.8, and 20.1.2, a user with read-only permission can restore a file from the trash bin. This vulnerability is fixed in 14.0.11, 15.3.12, 16.0.15, 17.0.14, 18.1.8, 19.1.8, and 20.1.2.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| nextcloud | group_folders | * | |
| nextcloud | group_folders | * | |
| nextcloud | group_folders | * | |
| nextcloud | group_folders | * | |
| nextcloud | group_folders | * | |
| nextcloud | group_folders | * |
{
"affected": [
{
"affectedData": [
{
"product": "security-advisories",
"vendor": "nextcloud",
"versions": [
{
"status": "affected",
"version": "\u003c 14.0.11"
},
{
"status": "affected",
"version": "\u003e= 15.0.0-beta1, \u003c 15.3.12"
},
{
"status": "affected",
"version": "\u003e= 16.0.0, \u003c 16.0.15"
},
{
"status": "affected",
"version": "\u003e= 17.0.0-beta.1, \u003c 17.0.14"
},
{
"status": "affected",
"version": "\u003e= 18.0.0-beta.1, \u003c 18.1.8"
},
{
"status": "affected",
"version": "\u003e= 19.0.0-alpha.1, \u003c 19.1.8"
},
{
"status": "affected",
"version": "\u003e= 20.0.0, \u003c 20.1.2"
}
]
}
],
"source": "security-advisories@github.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:nextcloud:group_folders:*:*:*:*:*:*:*:*",
"matchCriteriaId": "4ABD858C-8EC4-4507-8A90-9C5949CE38B2",
"versionEndExcluding": "14.0.11",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:nextcloud:group_folders:*:*:*:*:*:*:*:*",
"matchCriteriaId": "95CD54FB-7784-4855-AB57-62043D1CF549",
"versionEndExcluding": "15.3.12",
"versionStartIncluding": "15.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:nextcloud:group_folders:*:*:*:*:*:*:*:*",
"matchCriteriaId": "16939A8A-F224-4A61-8939-ED7204075D4C",
"versionEndExcluding": "16.0.15",
"versionStartIncluding": "16.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:nextcloud:group_folders:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B05F453B-E12E-495E-BEA3-B7C62680B92D",
"versionEndExcluding": "17.0.14",
"versionStartIncluding": "17.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:nextcloud:group_folders:*:*:*:*:*:*:*:*",
"matchCriteriaId": "9B89A828-C673-431F-B0D4-73D3BAA6B70A",
"versionEndExcluding": "18.1.8",
"versionStartIncluding": "18.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:nextcloud:group_folders:*:*:*:*:*:*:*:*",
"matchCriteriaId": "19B3F8FA-A80C-4A55-8215-C28C2E432CD3",
"versionEndExcluding": "20.1.2",
"versionStartIncluding": "19.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Nextcloud Groupfolders provides admin-configured folders shared by everyone in a group or team. Prior to 14.0.11, 15.3.12, 16.0.15, 17.0.14, 18.1.8, 19.1.8, and 20.1.2, a user with read-only permission can restore a file from the trash bin. This vulnerability is fixed in 14.0.11, 15.3.12, 16.0.15, 17.0.14, 18.1.8, 19.1.8, and 20.1.2."
},
{
"lang": "es",
"value": "Nextcloud Groupfolders proporciona carpetas configuradas por el administrador y compartidas con todos los miembros de un grupo o equipo. Versiones anteriores a 14.0.11, 15.3.12, 16.0.15, 17.0.14, 18.1.8, 19.1.8 y 20.1.2, un usuario con permiso de solo lectura puede restaurar un archivo desde la papelera. Esta vulnerabilidad est\u00e1 corregida en 14.0.11, 15.3.12, 16.0.15, 17.0.14, 18.1.8, 19.1.8 y 20.1.2."
}
],
"id": "CVE-2025-66545",
"lastModified": "2026-10-15T21:10:00.327",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 3.5,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.1,
"impactScore": 1.4,
"source": "security-advisories@github.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 1.4,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-66545",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-12-08T19:55:07.172366Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-12-05T18:15:57.803",
"references": [
{
"source": "security-advisories@github.com",
"tags": [
"Patch"
],
"url": "https://github.com/nextcloud/groupfolders/commit/bbe87ebed8da23e9df4db637a76fbc8d36439d58"
},
{
"source": "security-advisories@github.com",
"tags": [
"Issue Tracking"
],
"url": "https://github.com/nextcloud/groupfolders/issues/4041"
},
{
"source": "security-advisories@github.com",
"tags": [
"Issue Tracking",
"Patch"
],
"url": "https://github.com/nextcloud/groupfolders/pull/4076"
},
{
"source": "security-advisories@github.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2vrq-fhmf-c49m"
}
],
"sourceIdentifier": "security-advisories@github.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-707"
}
],
"source": "security-advisories@github.com",
"type": "Secondary"
}
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
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