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CVE-2019-13354

Status: ModifiedCritical (9.8)—

The strong_password gem 0.0.7 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. The current version, without this backdoor, is 0.0.6.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Strong Password Project — Strong Password

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2019-13354",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
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          "versions": [
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              "status": "affected",
              "version": "n/a"
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  "published": "2019-07-08T14:15:10.350",
  "references": [
    {
      "url": "https://benjamin-bouchet.com/blog/vulnerabilite-dans-la-gem-strong_password-0-0-7/",
      "tags": [
        "Third Party Advisory"
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      "source": "cve@mitre.org"
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      "tags": [
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      "tags": [
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      "source": "cve@mitre.org"
    },
    {
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      "tags": [
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      "source": "cve@mitre.org"
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    {
      "url": "https://benjamin-bouchet.com/blog/vulnerabilite-dans-la-gem-strong_password-0-0-7/",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "tags": [
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      "url": "https://rubygems.org/gems/strong_password/versions",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "tags": [
        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The strong_password gem 0.0.7 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. The current version, without this backdoor, is 0.0.6."
    },
    {
      "lang": "es",
      "value": "La gema strong_password versión 0.0.7 de Ruby, tal y como es distribuida en RubyGems.org, incluye una puerta trasera (backdoor) de ejecución de código insertada por un tercero. La versión actual, sin esta puerta trasera, es versión 0.0.6."
    }
  ],
  "lastModified": "2026-06-17T02:16:37.803",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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            }
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          "operator": "OR"
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  ],
  "sourceIdentifier": "cve@mitre.org"
}