CVE-2021-44165
Estado: ModificadaAlta (7.2)—
A vulnerability has been identified in POWER METER SICAM Q100 (All versions < V2.41), POWER METER SICAM Q100 (All versions < V2.41), POWER METER SICAM Q100 (All versions < V2.41), POWER METER SICAM Q100 (All versions < V2.41). The affected firmware contains a buffer overflow vulnerability in the web application that could allow a remote attacker with engineer or admin priviliges to potentially perform remote code execution.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 7.2
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 2.59%
- Percentil entre todas las CVEs puntuadas: 85
- 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 (4)
CWE
- CWE-121
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-44165",
"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": 7.2,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.2
}
]
},
"affected": [
{
"source": "productcert@siemens.com",
"affectedData": [
{
"vendor": "Siemens",
"product": "POWER METER SICAM Q100",
"versions": [
{
"status": "affected",
"version": "All versions < V2.41"
}
]
},
{
"vendor": "Siemens",
"product": "POWER METER SICAM Q100",
"versions": [
{
"status": "affected",
"version": "All versions < V2.41"
}
]
},
{
"vendor": "Siemens",
"product": "POWER METER SICAM Q100",
"versions": [
{
"status": "affected",
"version": "All versions < V2.41"
}
]
},
{
"vendor": "Siemens",
"product": "POWER METER SICAM Q100",
"versions": [
{
"status": "affected",
"version": "All versions < V2.41"
}
]
}
]
}
],
"published": "2021-12-14T12:15:10.923",
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-496292.pdf",
"tags": [
"Vendor Advisory"
],
"source": "productcert@siemens.com"
},
{
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-496292.pdf",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "productcert@siemens.com",
"description": [
{
"lang": "en",
"value": "CWE-121"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability has been identified in POWER METER SICAM Q100 (All versions < V2.41), POWER METER SICAM Q100 (All versions < V2.41), POWER METER SICAM Q100 (All versions < V2.41), POWER METER SICAM Q100 (All versions < V2.41). The affected firmware contains a buffer overflow vulnerability in the web application that could allow a remote attacker with engineer or admin priviliges to potentially perform remote code execution."
},
{
"lang": "es",
"value": "Se ha identificado una vulnerabilidad en POWER METER SICAM Q100 (Todas las versiones anteriores a V2.41), POWER METER SICAM Q100 (Todas las versiones anteriores a V2.41), POWER METER SICAM Q100 (Todas las versiones anteriores a V2.41), POWER METER SICAM Q100 (Todas las versiones anteriores a V2.41). El firmware afectado contiene una vulnerabilidad de desbordamiento de búfer en la aplicación web que podría permitir a un atacante remoto con privilegios de ingeniero o administrador realizar potencialmente una ejecución de código remota"
}
],
"lastModified": "2026-06-17T04:11:58.987",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:siemens:7kg9501-0aa01-2aa1_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "96EDF0C8-91BF-48C2-8FDC-C3AFBC8878D0",
"versionEndExcluding": "2.41"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:siemens:7kg9501-0aa01-2aa1:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "275E9296-AACA-4F3B-B8FA-D52A59E729DE"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:siemens:7kg9501-0aa31-0aa1_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B100E1D3-4D10-4066-9067-799076DD6643",
"versionEndExcluding": "2.41"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:siemens:7kg9501-0aa31-0aa1:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "B09F87C0-1A7D-43F6-A02F-D808C880FF74"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:siemens:7kg9501-0aa31-2aa1_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "27616240-C04A-4F45-8A6D-B8044242CF5C",
"versionEndExcluding": "2.41"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:siemens:7kg9501-0aa31-2aa1:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "DC260D4F-53BD-433C-AE8F-FA2FA47BC921"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:siemens:7kg9501-0aa01-0aa1_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AD0414B9-4EF2-4486-A2BA-926CD0A1D23A",
"versionEndExcluding": "2.41"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:siemens:7kg9501-0aa01-0aa1:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "632E89F3-80E7-4E2F-A3D3-0A6183F4A444"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "productcert@siemens.com"
}