CVE-2021-41809
Estado: ModificadaMedia (4.3)—
SSRF vulnerability in M-Files Server products with versions before 22.1.11017.1, in a preview function allowed making queries from the server with certain document types referencing external entities.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Puntuación base: 4.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.56%
- Percentil entre todas las CVEs puntuadas: 45
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-918
- CWE-918
Referencias
JSON original (NVD)
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{
"id": "CVE-2021-41809",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
"authentication": "SINGLE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
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"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 2.1
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
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"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "security@m-files.com",
"affectedData": [
{
"vendor": "M-Files",
"product": "M-Files Server",
"versions": [
{
"status": "affected",
"version": "Online",
"lessThan": "22.1.11017.1",
"versionType": "custom"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2022-01-18T17:15:09.063",
"references": [
{
"url": "https://empower.m-files.com/security-advisories/CVE-2021-41809",
"source": "security@m-files.com"
},
{
"url": "https://www.m-files.com/about/trust-center/security-vulnerabilities/cve-2021-41809/",
"tags": [
"Vendor Advisory"
],
"source": "security@m-files.com"
},
{
"url": "https://www.m-files.com/about/trust-center/security-vulnerabilities/cve-2021-41809/",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "security@m-files.com",
"description": [
{
"lang": "en",
"value": "CWE-918"
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{
"type": "Primary",
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"description": [
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],
"descriptions": [
{
"lang": "en",
"value": "SSRF vulnerability in M-Files Server products with versions before 22.1.11017.1, in a preview function allowed making queries from the server with certain document types referencing external entities."
},
{
"lang": "es",
"value": "Una vulnerabilidad de tipo SSRF en los productos M-Files Server versiones anteriores a 22.1.11017.1, en una función de vista previa que permitía realizar consultas desde el servidor con determinados tipos de documentos que hacían referencia a entidades externas"
}
],
"lastModified": "2026-06-17T04:08:57.097",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:m-files:m-files_server:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1C191F47-E68F-4581-A8FF-1BE41E07A879",
"versionEndExcluding": "22.1.11017.1"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security@m-files.com"
}