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CVE-2019-15849

Estado: ModificadaAlta (7.3)—

eQ-3 HomeMatic CCU3 firmware 3.41.11 allows session fixation. An attacker can create session IDs and send them to the victim. After the victim logs in to the session, the attacker can use that session. The attacker could create SSH logins after a valid session and easily compromise the system.

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 (1)

Eq-3 — Homematic Ccu3 Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-15849",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 4.9,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
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        "exploitabilityScore": 6.8,
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    "cvssMetricV31": [
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          "version": "3.1",
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          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
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  "affected": [
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      "affectedData": [
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  "published": "2019-10-17T14:15:10.760",
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      "url": "https://noskill1337.github.io/homematic-ccu3-session-fixation",
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      "tags": [
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-384"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "eQ-3 HomeMatic CCU3 firmware 3.41.11 allows session fixation. An attacker can create session IDs and send them to the victim. After the victim logs in to the session, the attacker can use that session. The attacker could create SSH logins after a valid session and easily compromise the system."
    },
    {
      "lang": "es",
      "value": "eQ-3 HomeMatic CCU3 firmware versión 3.41.11, permite la fijación de la sesión. Un atacante puede crear IDs de sesión y enviarlos a la víctima. Después de que la víctima se registra en la sesión, el atacante puede usar esa sesión. El atacante podría crear inicios de sesión SSH después de una sesión válida y comprometer fácilmente el sistema."
    }
  ],
  "lastModified": "2026-06-17T02:21:12.620",
  "configurations": [
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}