Vulnerability-Lookup

FKIE_CVE-2019-5421

Vulnerability from fkie_nvd - Published: 2019-04-03 15:29 - Updated: 2026-06-17 02:37

Severity

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

Plataformatec Devise version 4.5.0 and earlier, using the lockable module contains a CWE-367 vulnerability in The `Devise::Models::Lockable` class, more specifically at the `#increment_failed_attempts` 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.

References

URL	Tags
support@hackerone.com	https://github.com/plataformatec/devise/issues/4981	Exploit, Issue Tracking, Third Party Advisory
support@hackerone.com	https://github.com/plataformatec/devise/pull/4996	Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/plataformatec/devise/issues/4981	Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/plataformatec/devise/pull/4996	Patch, Third Party Advisory

Impacted products

	Vendor	Product	Version
	plataformatec	devise	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Devise ruby gem",
          "vendor": "Plataformatec",
          "versions": [
            {
              "status": "affected",
              "version": "4.5.0 and earlier using the lockable module"
            }
          ]
        }
      ],
      "source": "support@hackerone.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:plataformatec:devise:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F07D86F3-1A2C-4562-830E-F88779AF55B7",
              "versionEndIncluding": "4.5.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Plataformatec Devise version 4.5.0 and earlier, using the lockable module contains a CWE-367 vulnerability in The `Devise::Models::Lockable` class, more specifically at the `#increment_failed_attempts` 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."
    },
    {
      "lang": "es",
      "value": "Mediante la utilizaci\u00f3n del m\u00f3dulo bloqueable, Plataformatec Devise, en versiones 4.5.0 y anteriores, contiene una vulnerabilidad CWE-367 en la clase \"Devise::Models::Lockable\", m\u00e1s espec\u00edficamente en el m\u00e9todo \"#increment_failed_attempts\". La ubicaci\u00f3n del archivo lib/devise/models/lockable.rb, que puede resultar en peticiones m\u00faltiples concurrentes, puede impedir que un atacante sea bloqueado durante ataques de fuerza bruta. Este ataque parece ser explotable mediante la conectividad de red y ataques de fuerza bruta. Esta vulnerabilidad parece haber sido solucionada en versiones 4.6.0 y posteriores."
    }
  ],
  "id": "CVE-2019-5421",
  "lastModified": "2026-06-17T02:37:39.607",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-04-03T15:29:01.663",
  "references": [
    {
      "source": "support@hackerone.com",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://github.com/plataformatec/devise/issues/4981"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/plataformatec/devise/pull/4996"
    },
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Third Party Advisory"
      ],
      "url": "https://github.com/plataformatec/devise/pull/4996"
    }
  ],
  "sourceIdentifier": "support@hackerone.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-367"
        }
      ],
      "source": "support@hackerone.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-307"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2019-5421 (GCVE-0-2019-5421)

Vulnerability from cvelistv5 – Published: 2019-04-03 14:21 – Updated: 2024-08-04 19:54

Summary

Severity

No CVSS data available.

CWE

CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367)

Assigner

hackerone mitre root

References

2 references

URL	Tags
https://github.com/plataformatec/devise/issues/4981	x_refsource_MISC
https://github.com/plataformatec/devise/pull/4996	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Plataformatec	Devise ruby gem	Affected: 4.5.0 and earlier using the lockable module

Date Public

2018-11-27 00:00

Show details on NVD website

JSON

To clipboard

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        }
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      "problemTypes": [
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          "descriptions": [
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      "x_legacyV4Record": {
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.