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CVE-2018-18819

Estado: ModificadaMedia (5.3)—

A vulnerability in the web conference chat component of MiCollab, versions 7.3 PR6 (7.3.0.601) and earlier, and 8.0 (8.0.0.40) through 8.0 SP2 FP2 (8.0.2.202), and MiVoice Business Express versions 7.3 PR3 (7.3.1.302) and earlier, and 8.0 (8.0.0.40) through 8.0 SP2 FP1 (8.0.2.202), could allow creation of unauthorized chat sessions, due to insufficient access controls. A successful exploit could allow execution of arbitrary commands.

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 (2)

Mitel — MicollabMitel — Mivoice Business Express

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2018-18819",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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    "cvssMetricV31": [
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        "cvssData": {
          "scope": "UNCHANGED",
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          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
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        "impactScore": 1.4,
        "exploitabilityScore": 3.9
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  "affected": [
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      "affectedData": [
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  "published": "2019-11-12T14:15:11.263",
  "references": [
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      "url": "https://www.mitel.com/support/security-advisories",
      "tags": [
        "Vendor Advisory"
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      "source": "cve@mitre.org"
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    {
      "url": "https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-18-0012",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-863"
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  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the web conference chat component of MiCollab, versions 7.3 PR6 (7.3.0.601) and earlier, and 8.0 (8.0.0.40) through 8.0 SP2 FP2 (8.0.2.202), and MiVoice Business Express versions 7.3 PR3 (7.3.1.302) and earlier, and 8.0 (8.0.0.40) through 8.0 SP2 FP1 (8.0.2.202), could allow creation of unauthorized chat sessions, due to insufficient access controls. A successful exploit could allow execution of arbitrary commands."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en el componente de chat de conferencia web de MiCollab, versiones 7.3 PR6 (7.3.0.601) y anteriores, y versiones 8.0 (8.0.0.40) hasta 8.0 SP2 FP2 (8.0.2.202), y MiVoice Business Express versiones 7.3 PR3 (7.3.1.302 ) y anteriores, y versiones  8.0 (8.0.0.40) hasta 8.0 SP2 FP1 (8.0.2.202), podrían permitir la creación de sesiones de chat no autorizadas, debido a controles de acceso insuficientes. Una explotación con éxito podría permitir la ejecución de comandos arbitrarios."
    }
  ],
  "lastModified": "2026-06-17T01:47:57.947",
  "configurations": [
    {
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