CVE-2021-39279
Estado: ModificadaAlta (8.8)—
Certain MOXA devices allow Authenticated Command Injection via /forms/web_importTFTP. This affects WAC-2004 1.7, WAC-1001 2.1, WAC-1001-T 2.1, OnCell G3470A-LTE-EU 1.7, OnCell G3470A-LTE-EU-T 1.7, TAP-323-EU-CT-T 1.3, TAP-323-US-CT-T 1.3, TAP-323-JP-CT-T 1.3, WDR-3124A-EU 2.3, WDR-3124A-EU-T 2.3, WDR-3124A-US 2.3, and WDR-3124A-US-T 2.3.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 4.61%
- Percentil entre todas las CVEs puntuadas: 91
- 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 (12)
Moxa — Oncell G3470a-lte-eu-t FirmwareMoxa — Oncell G3470a-lte-eu FirmwareMoxa — Tap-323-eu-ct-t FirmwareMoxa — Tap-323-jp-ct-t FirmwareMoxa — Tap-323-us-ct-t FirmwareMoxa — Wac-1001-t FirmwareMoxa — Wac-1001 FirmwareMoxa — Wac-2004 FirmwareMoxa — Wdr-3124a-eu-t FirmwareMoxa — Wdr-3124a-eu FirmwareMoxa — Wdr-3124a-us-t FirmwareMoxa — Wdr-3124a-us Firmware
CWE
- CWE-78
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-39279",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 9,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
"authentication": "SINGLE",
"integrityImpact": "COMPLETE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "COMPLETE"
},
"acInsufInfo": false,
"impactScore": 10,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 8.8,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2021-09-07T06:15:08.327",
"references": [
{
"url": "https://www.moxa.com",
"tags": [
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://packetstormsecurity.com/files/164014",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"source": "nvd@nist.gov"
},
{
"url": "https://www.moxa.com",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-78"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Certain MOXA devices allow Authenticated Command Injection via /forms/web_importTFTP. This affects WAC-2004 1.7, WAC-1001 2.1, WAC-1001-T 2.1, OnCell G3470A-LTE-EU 1.7, OnCell G3470A-LTE-EU-T 1.7, TAP-323-EU-CT-T 1.3, TAP-323-US-CT-T 1.3, TAP-323-JP-CT-T 1.3, WDR-3124A-EU 2.3, WDR-3124A-EU-T 2.3, WDR-3124A-US 2.3, and WDR-3124A-US-T 2.3."
},
{
"lang": "es",
"value": "Determinados dispositivos MOXA permiten una inyección de comandos autenticados por medio de /forms/web_importTFTP. Esto afecta a WAC-2004 versión 1.7, WAC-1001 versión 2.1, WAC-1001-T versión 2.1, OnCell G3470A-LTE-EU versión 1.7, OnCell G3470A-LTE-EU-T versión 1.7, TAP-323-EU-CT-T versión 1.3, TAP-323-US-CT-T versión 1.3, TAP-323-JP-CT-T versión 1.3, WDR-3124A-EU versión 2.3, WDR-3124A-EU-T versión 2.3, WDR-3124A-US versión 2.3 y WDR-3124A-US-T versión 2.3"
}
],
"lastModified": "2026-06-17T04:03:27.637",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:moxa:wac-2004_firmware:1.7:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "83A3AA06-BC98-4CE7-A459-02C780480F8E"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:moxa:wac-2004:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "36B321C6-F7AF-48F4-8BDE-C42CD89383A8"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:moxa:wac-1001_firmware:2.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "78532D1A-BEB0-4AB0-BE6A-E1AC72CF3A57"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:moxa:wac-1001:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "BB2E25B8-5545-480D-85D0-0DD303606547"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:moxa:wac-1001-t_firmware:2.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D5F56865-9C52-47B4-A5DB-35872FA48FB6"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:moxa:wac-1001-t:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "EA14B9A7-17DF-4900-BA95-C78A43728847"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:moxa:oncell_g3470a-lte-eu_firmware:1.7:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F12BE8C4-D53A-4503-8492-66FC859FC0CA"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:moxa:oncell_g3470a-lte-eu:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "620CD649-90E9-422A-9FF7-51C2FFF2DFDD"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:moxa:oncell_g3470a-lte-eu-t_firmware:1.7:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A122A3AC-260D-443A-9684-D56CD64E6BC9"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:moxa:oncell_g3470a-lte-eu-t:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "4E97DFAB-1D6E-4110-89C1-DD5616A6320B"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:moxa:tap-323-eu-ct-t_firmware:1.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6C009174-6441-4B8D-B233-3F976872F11D"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:moxa:tap-323-eu-ct-t:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "A6ABD8F8-7308-47CE-B2C8-CC541D1C9F84"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:moxa:tap-323-us-ct-t_firmware:1.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "30F156F3-DFE1-49F6-B298-122659A39B2A"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:moxa:tap-323-us-ct-t:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "E536D7FF-BBB8-4D73-B8F9-CB07DDE2D847"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:moxa:tap-323-jp-ct-t_firmware:1.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9CD4A2E1-39D9-49D9-993E-0232F266C174"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:moxa:tap-323-jp-ct-t:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "6C05FA1B-7E9F-4B5D-AF1D-D4A88544323E"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:moxa:wdr-3124a-eu_firmware:2.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "61124965-5F3D-4538-8166-1583854BF3E2"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:moxa:wdr-3124a-eu:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "8E65A51A-86D6-40D4-ACAC-7F5643CAD53E"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:moxa:wdr-3124a-eu-t_firmware:2.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "007B3B2D-52C1-4C92-89DC-7B3F4178ADDE"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:moxa:wdr-3124a-eu-t:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "B761D5AE-6766-42D1-A9FC-58602AF6888A"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:moxa:wdr-3124a-us_firmware:2.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BF5DAE18-342A-489F-9B79-1557468E41B0"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:moxa:wdr-3124a-us:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "8DD1F7FC-DBC6-4F1C-B224-EEDE7712AE18"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:moxa:wdr-3124a-us-t_firmware:2.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BC5BB237-0731-45C8-95BC-C152D5EF4949"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:moxa:wdr-3124a-us-t:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "9822FD39-59C7-46B0-B39D-2AC3F6E369B5"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "cve@mitre.org"
}