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CVE-2024-33531

Estado: AplazadaAlta (8.1)—

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.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Cdbattags — Lua-resty-jwtAI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2024-33531",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-33531",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-04-25T20:48:56.535199Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:cdbattags:lua_resty_jwt:*:*:*:*:*:*:*:*"
          ],
          "vendor": "cdbattags",
          "product": "lua_resty_jwt",
          "versions": [
            {
              "status": "affected",
              "version": "0.2.3"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2024-04-24T06:15:14.210",
  "references": [
    {
      "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": "cve@mitre.org"
    },
    {
      "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/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-290"
        }
      ]
    }
  ],
  "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 análisis JWT creando un JWT con un encabezado enc con el valor A256GCM."
    }
  ],
  "lastModified": "2026-06-17T07:31:56.090",
  "sourceIdentifier": "cve@mitre.org"
}