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CVE-2021-25676

Estado: ModificadaAlta (7.5)—

A vulnerability has been identified in RUGGEDCOM RM1224 (V6.3), SCALANCE M-800 (V6.3), SCALANCE S615 (V6.3), SCALANCE SC-600 (All Versions >= V2.1 and < V2.1.3). Multiple failed SSH authentication attempts could trigger a temporary Denial-of-Service under certain conditions. When triggered, the device will reboot automatically.

CVSS

Probabilidad de explotación (EPSS)

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

Referencias

JSON original (NVD)

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        "source": "nvd@nist.gov",
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          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
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  "affected": [
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      "source": "productcert@siemens.com",
      "affectedData": [
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          "vendor": "Siemens",
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  "published": "2021-03-15T17:15:22.127",
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      "source": "productcert@siemens.com"
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      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-068-02",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "productcert@siemens.com",
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          "value": "CWE-307"
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      "value": "A vulnerability has been identified in RUGGEDCOM RM1224 (V6.3), SCALANCE M-800 (V6.3), SCALANCE S615 (V6.3), SCALANCE SC-600 (All Versions >= V2.1 and < V2.1.3). Multiple failed SSH authentication attempts could trigger a temporary Denial-of-Service under certain conditions. When triggered, the device will reboot automatically."
    },
    {
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  "lastModified": "2026-06-17T03:42:20.437",
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