FKIE_CVE-2024-33531

Vulnerability from fkie_nvd - Published: 2024-04-24 06:15 - Updated: 2026-06-17 07:31
Severity
8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Summary
cdbattags lua-resty-jwt 0.2.3 allows attackers to bypass all JWT-parsing signature checks by crafting a JWT with an enc header with the value A256GCM.
References
cve@mitre.orghttps://github.com/cdbattags/lua-resty-jwt/commit/d1558e2afefe868fea1e7e9a4b04ea94ab678a85
cve@mitre.orghttps://github.com/cdbattags/lua-resty-jwt/issues/61
cve@mitre.orghttps://insinuator.net/2023/10/lua-resty-jwt-authentication-bypass/
af854a3a-2127-422b-91ae-364da2661108https://github.com/cdbattags/lua-resty-jwt/commit/d1558e2afefe868fea1e7e9a4b04ea94ab678a85
af854a3a-2127-422b-91ae-364da2661108https://github.com/cdbattags/lua-resty-jwt/issues/61
af854a3a-2127-422b-91ae-364da2661108https://insinuator.net/2023/10/lua-resty-jwt-authentication-bypass/
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:cdbattags:lua_resty_jwt:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "lua_resty_jwt",
          "vendor": "cdbattags",
          "versions": [
            {
              "status": "affected",
              "version": "0.2.3"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "cdbattags lua-resty-jwt 0.2.3 allows attackers to bypass all JWT-parsing signature checks by crafting a JWT with an enc header with the value A256GCM."
    },
    {
      "lang": "es",
      "value": "cdbattags lua-resty-jwt 0.2.3 permite a los atacantes eludir todas las comprobaciones de firmas de an\u00e1lisis JWT creando un JWT con un encabezado enc con el valor A256GCM."
    }
  ],
  "id": "CVE-2024-33531",
  "lastModified": "2026-06-17T07:31:56.090",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.2,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-33531",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-04-25T20:48:56.535199Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-04-24T06:15:14.210",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/cdbattags/lua-resty-jwt/commit/d1558e2afefe868fea1e7e9a4b04ea94ab678a85"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/cdbattags/lua-resty-jwt/issues/61"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://insinuator.net/2023/10/lua-resty-jwt-authentication-bypass/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/cdbattags/lua-resty-jwt/commit/d1558e2afefe868fea1e7e9a4b04ea94ab678a85"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/cdbattags/lua-resty-jwt/issues/61"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://insinuator.net/2023/10/lua-resty-jwt-authentication-bypass/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-290"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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