{
  "cveId": "CVE-2019-5421",
  "url": "https://patchblox.com/security/cve/CVE-2019-5421",
  "summary": "CVE-2019-5421 is fixed in ruby-devise on 1 platform by ruby-devise 4.5.0-3 (version 4.5.0-3), released April 3, 2019. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "ruby-devise: Plataformatec Devise version 4.5.0 and earlier, using the lockable module contains a CWE-367 vulnerability in The \u0060De...",
  "description": "Plataformatec Devise version 4.5.0 and earlier, using the lockable module contains a CWE-367 vulnerability in The \u0060Devise::Models::Lockable\u0060 class, more specifically at the \u0060#increment_failed_attempts\u0060 method. File location: lib/devise/models/lockable.rb that can result in Multiple concurrent requests can prevent an attacker from being blocked on brute force attacks. This attack appear to be exploitable via Network connectivity - brute force attacks. This vulnerability appears to have been fixed in 4.6.0 and later.",
  "published": "2019-04-03T08:29:00Z",
  "severity": "Low",
  "epss": 0.01556,
  "epssPercentile": 0.75328,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "ruby-devise",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "4.5.0-3",
      "fix": "ruby-devise 4.5.0-3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-ruby-devise-4.5.0-3",
      "released": "2019-04-03T08:29:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}