FKIE_CVE-2021-25667
Vulnerability from fkie_nvd - Published: 2021-03-15 17:15 - Updated: 2026-06-17 03:42
Severity
8.8 (High) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
6.5 (Medium) - CVSS:3.1/
Summary
A vulnerability has been identified in RUGGEDCOM RM1224 (All versions >= V4.3 and < V6.4), SCALANCE M-800 (All versions >= V4.3 and < V6.4), SCALANCE S615 (All versions >= V4.3 and < V6.4), SCALANCE SC-600 Family (All versions >= V2.0 and < V2.1.3), SCALANCE XB-200 (All versions < V4.1), SCALANCE XC-200 (All versions < V4.1), SCALANCE XF-200BA (All versions < V4.1), SCALANCE XM400 (All versions < V6.2), SCALANCE XP-200 (All versions < V4.1), SCALANCE XR-300WG (All versions < V4.1), SCALANCE XR500 (All versions < V6.2). Affected devices contain a stack-based buffer overflow vulnerability in the handling of STP BPDU frames that could allow a remote attacker to trigger a denial-of-service condition or potentially remote code execution. Successful exploitation requires the passive listening feature of the device to be active.
References
| URL | Tags | ||
|---|---|---|---|
| productcert@siemens.com | https://cert-portal.siemens.com/productcert/pdf/ssa-979775.pdf | Patch, Vendor Advisory | |
| productcert@siemens.com | https://us-cert.cisa.gov/ics/advisories/icsa-21-068-03 | Patch, Third Party Advisory, US Government Resource | |
| af854a3a-2127-422b-91ae-364da2661108 | https://cert-portal.siemens.com/productcert/pdf/ssa-979775.pdf | Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://us-cert.cisa.gov/ics/advisories/icsa-21-068-03 | Patch, Third Party Advisory, US Government Resource |
Impacted products
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{
"affectedData": [
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"product": "RUGGEDCOM RM1224",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003e= V4.3 and \u003c V6.4"
}
]
},
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"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003e= V4.3 and \u003c V6.4"
}
]
},
{
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"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003e= V4.3 and \u003c V6.4"
}
]
},
{
"product": "SCALANCE SC-600 Family",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003e= V2.0 and \u003c V2.1.3"
}
]
},
{
"product": "SCALANCE XB-200",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V4.1"
}
]
},
{
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"vendor": "Siemens",
"versions": [
{
"status": "affected",
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}
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"vendor": "Siemens",
"versions": [
{
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}
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"vendor": "Siemens",
"versions": [
{
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}
]
},
{
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"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V4.1"
}
]
},
{
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"vendor": "Siemens",
"versions": [
{
"status": "affected",
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}
]
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"vendor": "Siemens",
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{
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}
]
}
],
"source": "productcert@siemens.com"
}
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"value": "A vulnerability has been identified in RUGGEDCOM RM1224 (All versions \u003e= V4.3 and \u003c V6.4), SCALANCE M-800 (All versions \u003e= V4.3 and \u003c V6.4), SCALANCE S615 (All versions \u003e= V4.3 and \u003c V6.4), SCALANCE SC-600 Family (All versions \u003e= V2.0 and \u003c V2.1.3), SCALANCE XB-200 (All versions \u003c V4.1), SCALANCE XC-200 (All versions \u003c V4.1), SCALANCE XF-200BA (All versions \u003c V4.1), SCALANCE XM400 (All versions \u003c V6.2), SCALANCE XP-200 (All versions \u003c V4.1), SCALANCE XR-300WG (All versions \u003c V4.1), SCALANCE XR500 (All versions \u003c V6.2). Affected devices contain a stack-based buffer overflow vulnerability in the handling of STP BPDU frames that could allow a remote attacker to trigger a denial-of-service condition or potentially remote code execution. Successful exploitation requires the passive listening feature of the device to be active."
},
{
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"value": "Se ha identificado una vulnerabilidad en RUGGEDCOM RM1224 (Todas las versiones posteriores e incluyendo a V4.3 y anteriores a V6.4), SCALANCE M-800 (Todas las versiones posteriores e incluyendo a V4.3 y anteriores a V6.4), SCALANCE S615 (Todas las versiones posteriores e incluyendo a V4.3 y anteriores a V6.4), SCALANCE SC-600 Family (Todas las versiones posteriores e incluyendo a V2.0 y anteriores a V2.1.3), SCALANCE XB-200 (Todas las versiones anteriores a V4.1), SCALANCE XC-200 (Todas las versiones anteriores a V4.1), SCALANCE XF-200BA (Todas las versiones anteriores a V4.1), SCALANCE XM400 (Todas las versiones anteriores a V6.2), SCALANCE XP-200 (Todas las versiones anteriores a V4.1), SCALANCE XR-300WG (Todas las versiones anteriores a V4.1), SCALANCE XR500 (Todas las versiones anteriores a V6.2). Unos dispositivos afectados contienen una vulnerabilidad de desbordamiento de b\u00fafer en la regi\u00f3n stack de la memoria en el manejo de frames STP BPDU que podr\u00eda permitir a un atacante remoto desencadenar una condici\u00f3n de denegaci\u00f3n de servicio o una ejecuci\u00f3n de c\u00f3digo potencialmente remoto. Una explotaci\u00f3n con \u00e9xito requiere que la funcionalidad listening pasiva del dispositivo est\u00e9 activa"
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"id": "CVE-2021-25667",
"lastModified": "2026-06-17T03:42:19.190",
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"Vendor Advisory"
],
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-979775.pdf"
},
{
"source": "productcert@siemens.com",
"tags": [
"Patch",
"Third Party Advisory",
"US Government Resource"
],
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-068-03"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-979775.pdf"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory",
"US Government Resource"
],
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-068-03"
}
],
"sourceIdentifier": "productcert@siemens.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-121"
}
],
"source": "productcert@siemens.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Secondary"
}
]
}
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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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