FKIE_CVE-2021-27884

Vulnerability from fkie_nvd - Published: 2021-03-01 23:15 - Updated: 2024-11-21 05:58
Severity ?
5.1 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
Weak JSON Web Token (JWT) signing secret generation in YMFE YApi through 1.9.2 allows recreation of other users' JWT tokens. This occurs because Math.random in Node.js is used.
References
cve@mitre.orghttps://github.com/YMFE/yapi/issues/2117Third Party Advisory
cve@mitre.orghttps://securitylab.github.com/advisories/GHSL-2020-228-YMFE-yapiThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/YMFE/yapi/issues/2117Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://securitylab.github.com/advisories/GHSL-2020-228-YMFE-yapiThird Party Advisory
Impacted products
Vendor Product Version
ymfe yapi *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ymfe:yapi:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D457FF7A-2FFE-425F-A0B8-C6F292C4DA10",
              "versionEndIncluding": "1.9.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Weak JSON Web Token (JWT) signing secret generation in YMFE YApi through 1.9.2 allows recreation of other users\u0027 JWT tokens. This occurs because Math.random in Node.js is used."
    },
    {
      "lang": "es",
      "value": "La generaci\u00f3n de secretos de firma d\u00e9bil de JSON Web Token (JWT) en YMFE YApi versiones hasta 1.9.2, permite la recreaci\u00f3n de los tokens JWT de otros usuarios.\u0026#xa0;Esto ocurre porque se usa Math.random en Node.js"
    }
  ],
  "id": "CVE-2021-27884",
  "lastModified": "2024-11-21T05:58:41.470",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 3.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 2.5,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-03-01T23:15:13.267",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/YMFE/yapi/issues/2117"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://securitylab.github.com/advisories/GHSL-2020-228-YMFE-yapi"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/YMFE/yapi/issues/2117"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://securitylab.github.com/advisories/GHSL-2020-228-YMFE-yapi"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-330"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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