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CVE-2021-31649

Estado: ModificadaCrítica (9.8)—

In applications using jfinal 4.9.08 and below, there is a deserialization vulnerability when using redis,may be vulnerable to remote code execute

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)

Jfinal — Jfinal

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-31649",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-06-24T16:15:08.523",
  "references": [
    {
      "url": "http://note.youdao.com/noteshare?id=787ccbb8345dbd4a905aebe35f1d8aa8&sub=6C5C072C901949429EFD978405212FA4",
      "tags": [
        "Exploit",
        "Third Party Advisory"
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://note.youdao.com/ynoteshare1/index.html?id=787ccbb8345dbd4a905aebe35f1d8aa8&type=note",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://note.youdao.com/noteshare?id=787ccbb8345dbd4a905aebe35f1d8aa8&sub=6C5C072C901949429EFD978405212FA4",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://note.youdao.com/ynoteshare1/index.html?id=787ccbb8345dbd4a905aebe35f1d8aa8&type=note",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In applications using jfinal 4.9.08 and below, there is a deserialization vulnerability when using redis,may be vulnerable to remote code execute"
    },
    {
      "lang": "es",
      "value": "En las aplicaciones que utilizan jfinal versiones 4.9.08 e inferiores, se presenta una vulnerabilidad de deserialización cuando se usa redis, puede ser vulnerable a la ejecución de código remota"
    }
  ],
  "lastModified": "2026-06-17T03:52:07.080",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:jfinal:jfinal:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "25B87B7D-9D5F-41D4-A065-EFAC249FE4F3",
              "versionEndIncluding": "4.9.08"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}