{
  "id": "CVE-2023-31580",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2023-10-25T18:17:27.680",
  "lastModified": "2024-11-21T08:02:02.853",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "light-oauth2 before version 2.1.27 obtains the public key without any verification. This could allow attackers to authenticate to the application with a crafted JWT token."
    },
    {
      "lang": "es",
      "value": "light-oauth2 anterior a la versi\u00f3n 2.1.27 obtiene la clave p\u00fablica sin ninguna verificaci\u00f3n. Esto podr\u00eda permitir a los atacantes autenticarse en la aplicaci\u00f3n con un token JWT manipulado."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:networknt:light-oauth2:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.1.27",
              "matchCriteriaId": "C417726F-46BE-4EF6-B09C-6AAF93F7E905"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/KANIXB/JWTIssues/blob/main/Certification%20Verification%20issue%20in%20light-oauth2.md",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ]
    },
    {
      "url": "https://github.com/networknt/light-oauth2/issues/369",
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking"
      ]
    },
    {
      "url": "https://github.com/KANIXB/JWTIssues/blob/main/Certification%20Verification%20issue%20in%20light-oauth2.md",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit"
      ]
    },
    {
      "url": "https://github.com/networknt/light-oauth2/issues/369",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking"
      ]
    }
  ]
}