{
  "id": "CVE-2023-5196",
  "sourceIdentifier": "responsibledisclosure@mattermost.com",
  "published": "2023-09-29T10:15:10.890",
  "lastModified": "2023-10-03T18:03:34.537",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mattermost fails to enforce character limits in all possible notification props allowing an attacker to\u00a0send a really long value for a notification_prop resulting in the server consuming an abnormal quantity of computing resources and possibly becoming temporarily unavailable for its users. \n\n\n\n"
    },
    {
      "lang": "es",
      "value": "Mattermost no aplica l\u00edmites de caracteres en todos los posibles accesorios de notificaci\u00f3n, lo que permite a un atacante enviar un valor muy largo para un notification_prop, lo que hace que el servidor consuma una cantidad anormal de recursos inform\u00e1ticos y posiblemente deje de estar disponible temporalmente para sus usuarios."
    }
  ],
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
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          "integrityImpact": "NONE",
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        "exploitabilityScore": 2.8,
        "impactScore": 3.6
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      "type": "Primary",
      "description": [
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          "value": "CWE-400"
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  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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  "references": [
    {
      "url": "https://mattermost.com/security-updates",
      "source": "responsibledisclosure@mattermost.com",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}