FKIE_CVE-2017-11156
Vulnerability from fkie_nvd - Published: 2017-08-14 19:29 - Updated: 2026-06-17 01:01
Severity
Summary
Synology Download Station 3.8.x before 3.8.5-3475 and 3.x before 3.5-2984 uses weak permissions (0777) for ui/dlm/btsearch directory, which allows remote authenticated users to execute arbitrary code by uploading an executable via unspecified vectors.
References
Impacted products
{
"affected": [
{
"affectedData": [
{
"product": "Synology Download Station",
"vendor": "Synology",
"versions": [
{
"status": "affected",
"version": "3.8.x before 3.8.5-3475 and 3.x before 3.5-2984"
}
]
}
],
"source": "security@synology.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
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"matchCriteriaId": "388EC850-91FB-495E-8CC1-E3B6468A7D05",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:synology:download_station:3.3-2382:*:*:*:*:*:*:*",
"matchCriteriaId": "A0EE8CB0-5D39-4361-B17F-D073377B8E22",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:synology:download_station:3.3-2383:*:*:*:*:*:*:*",
"matchCriteriaId": "EEF5E40E-AFF1-4548-8F80-61D11A658C44",
"vulnerable": true
},
{
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"matchCriteriaId": "87DAD7D7-C695-4C6A-9674-199C61604B35",
"vulnerable": true
},
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"vulnerable": true
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"matchCriteriaId": "74EF711B-10DA-4356-8ED0-FFF08BDB0A7D",
"vulnerable": true
},
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"vulnerable": true
},
{
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"matchCriteriaId": "8C5D8FDA-BE01-440A-93F5-0314C15B345C",
"vulnerable": true
},
{
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"matchCriteriaId": "043E910E-9129-43C9-B27F-0A8C6AC9D44A",
"vulnerable": true
},
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"matchCriteriaId": "BD3DD08D-4025-424B-8B6D-6F45F64BA1BD",
"vulnerable": true
},
{
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"matchCriteriaId": "1B4ED375-025B-4C51-B8B4-DDAFE550C7E4",
"vulnerable": true
},
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"matchCriteriaId": "F2FA562D-F3C5-43D3-8FF2-5C3BC84B23C6",
"vulnerable": true
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"matchCriteriaId": "3C3688F1-5EFC-4611-9976-85EAF9595255",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:synology:download_station:3.4-2558:*:*:*:*:*:*:*",
"matchCriteriaId": "99FBB132-BF8D-4B95-A32A-12B40E85C1FA",
"vulnerable": true
},
{
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},
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"vulnerable": true
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{
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"matchCriteriaId": "4712A752-7F18-45B0-A333-287734E6B46B",
"vulnerable": true
},
{
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"matchCriteriaId": "971F5675-E834-48FE-AED6-0D06E554FEED",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:synology:download_station:3.5-2956:*:*:*:*:*:*:*",
"matchCriteriaId": "34FFE8AC-9E8B-4435-B6A7-B876AFF4D669",
"vulnerable": true
},
{
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"vulnerable": true
},
{
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"vulnerable": true
},
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"matchCriteriaId": "858B2972-78D9-496D-B61D-BB38F5CC8B46",
"vulnerable": true
},
{
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"matchCriteriaId": "645A9A0B-F0D1-4122-A5D4-E12D32AA8633",
"vulnerable": true
},
{
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"vulnerable": true
},
{
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"matchCriteriaId": "61DFFD31-8496-4B23-8AA0-05D895A4FF54",
"vulnerable": true
},
{
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"matchCriteriaId": "AFB54B93-7F72-4797-8620-552EB9971B0B",
"vulnerable": true
},
{
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"matchCriteriaId": "45D6CEC0-9BAE-4627-A57A-5DBA81A39AF3",
"vulnerable": true
},
{
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"matchCriteriaId": "27981034-F4ED-47B7-9A87-D5EAD8BB4EDA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:synology:download_station:3.8.1-3420:*:*:*:*:*:*:*",
"matchCriteriaId": "8E525F0C-1D37-447D-A688-6FD87822889C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:synology:download_station:3.8.2-3455:*:*:*:*:*:*:*",
"matchCriteriaId": "B3240461-598E-4C41-9234-400AAAEE32B9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:synology:download_station:3.8.3-3458:*:*:*:*:*:*:*",
"matchCriteriaId": "5D36302B-9478-4348-8059-D89BEC858F87",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:synology:download_station:3.8.4-3468:*:*:*:*:*:*:*",
"matchCriteriaId": "AFFA7620-E000-448D-BEC2-9EEC47649334",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Synology Download Station 3.8.x before 3.8.5-3475 and 3.x before 3.5-2984 uses weak permissions (0777) for ui/dlm/btsearch directory, which allows remote authenticated users to execute arbitrary code by uploading an executable via unspecified vectors."
},
{
"lang": "es",
"value": "Synology Download Station 3.8.x en versiones anteriores a la 3.8.5-3475 y 3.x en versiones anteriores a la 3.5-2984 emplea permisos d\u00e9biles (0777) para el directorio ui/dlm/btsearch, lo que permite que usuarios remotos autenticados ejecuten c\u00f3digo arbitrario mediante la subida de un archivo ejecutable usando vectores sin especificar."
}
],
"id": "CVE-2017-11156",
"lastModified": "2026-06-17T01:01:19.293",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2017-08-14T19:29:01.147",
"references": [
{
"source": "security@synology.com",
"tags": [
"Vendor Advisory"
],
"url": "https://www.synology.com/en-global/support/security/Synology_SA_17_28_Download_Station"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.synology.com/en-global/support/security/Synology_SA_17_28_Download_Station"
}
],
"sourceIdentifier": "security@synology.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-276"
}
],
"source": "security@synology.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-732"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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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
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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