FKIE_CVE-2025-70974

Vulnerability from fkie_nvd - Published: 2026-01-09 07:16 - Updated: 2026-01-13 14:03
Severity ?
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Summary
Fastjson before 1.2.48 mishandles autoType because, when an @type key is in a JSON document, and the value of that key is the name of a Java class, there may be calls to certain public methods of that class. Depending on the behavior of those methods, there may be JNDI injection with an attacker-supplied payload located elsewhere in that JSON document. This was exploited in the wild in 2023 through 2025. NOTE: this issue exists because of an incomplete fix for CVE-2017-18349. Also, a later bypass is covered by CVE-2022-25845.
References
cve@mitre.orghttps://cert.360.cn/warning/detail?id=7240aeab581c6dc2c9c5350756079955
cve@mitre.orghttps://github.com/alibaba/fastjson/compare/1.2.47...1.2.48
cve@mitre.orghttps://github.com/vulhub/vulhub/tree/master/fastjson/1.2.47-rce
cve@mitre.orghttps://www.cloudsek.com/blog/androxgh0st-continues-exploitation-operators-compromise-a-us-university-for-hosting-c2-logger
cve@mitre.orghttps://www.cnvd.org.cn/flaw/show/CNVD-2019-22238
cve@mitre.orghttps://www.freebuf.com/vuls/208339.html
cve@mitre.orghttps://www.seebug.org/vuldb/ssvid-98020
Impacted products
Vendor Product Version
To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Fastjson before 1.2.48 mishandles autoType because, when an @type key is in a JSON document, and the value of that key is the name of a Java class, there may be calls to certain public methods of that class. Depending on the behavior of those methods, there may be JNDI injection with an attacker-supplied payload located elsewhere in that JSON document. This was exploited in the wild in 2023 through 2025. NOTE: this issue exists because of an incomplete fix for CVE-2017-18349. Also, a later bypass is covered by CVE-2022-25845."
    }
  ],
  "id": "CVE-2025-70974",
  "lastModified": "2026-01-13T14:03:46.203",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 10.0,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.0,
        "source": "cve@mitre.org",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-01-09T07:16:02.677",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://cert.360.cn/warning/detail?id=7240aeab581c6dc2c9c5350756079955"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/alibaba/fastjson/compare/1.2.47...1.2.48"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/vulhub/vulhub/tree/master/fastjson/1.2.47-rce"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.cloudsek.com/blog/androxgh0st-continues-exploitation-operators-compromise-a-us-university-for-hosting-c2-logger"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.cnvd.org.cn/flaw/show/CNVD-2019-22238"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.freebuf.com/vuls/208339.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.seebug.org/vuldb/ssvid-98020"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-829"
        }
      ],
      "source": "cve@mitre.org",
      "type": "Primary"
    }
  ]
}


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