{
  "crds_version": "0.1",
  "kind": "base",
  "id": "crds:cve-2021-34429",
  "revision": 1,
  "title": "Eclipse Jetty — Encoded Paths Reach Protected Application Files",
  "summary": "Jetty lets certain encoded addresses reach the protected part of a deployed application, exposing configuration and class files that were never meant to be served.",
  "source_type": "cve",
  "severity": "medium",
  "cvss": {
    "score": 5.3,
    "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
    "version": "3.1"
  },
  "epss": 0.99298,
  "exploitation": {
    "known_exploited": false,
    "exploit_available": true,
    "attack_complexity": "low",
    "prerequisites": "Network access to the server"
  },
  "remediation": {
    "patch_available": true
  },
  "mitre_attack": [
    "T1190",
    "T1083"
  ],
  "kill_chain": "discovery",
  "recommended_action": "Upgrade Jetty past the affected 9.4, 10.0 and 11.0 builds, and review what the protected directory held.",
  "confidence": "high",
  "provenance": [
    {
      "fields": [
        "cvss",
        "exploitation.attack_complexity",
        "exploitation.exploit_available",
        "references",
        "published_at"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2021-34429",
      "retrieved_at": "2026-08-07T17:04:30.741Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "epss"
      ],
      "source": "https://api.first.org/data/v1/epss?cve=CVE-2021-34429",
      "retrieved_at": "2026-08-07T17:04:30.741Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "title",
        "summary",
        "severity",
        "remediation",
        "mitre_attack",
        "kill_chain",
        "recommended_action",
        "confidence",
        "tags",
        "exploitation.prerequisites"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2021-34429",
      "retrieved_at": "2026-08-07T17:04:30.741Z",
      "confidence": "high",
      "extractor": "claude-code"
    },
    {
      "fields": [
        "mitre_attack"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2021-34429",
      "retrieved_at": "2026-09-20T06:55:09.797Z",
      "confidence": "high",
      "extractor": "human"
    }
  ],
  "references": [
    {
      "type": "cve",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-34429",
      "label": "NVD record"
    },
    {
      "type": "vendor_advisory",
      "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
    },
    {
      "type": "vendor_advisory",
      "url": "https://www.oracle.com/security-alerts/cpujan2022.html"
    },
    {
      "type": "vendor_advisory",
      "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
    },
    {
      "type": "exploit",
      "url": "https://github.com/eclipse/jetty.project/security/advisories/GHSA-vjv5-gp2w-65vm"
    }
  ],
  "published_at": "2021-07-15T17:15:08.637Z",
  "issued_at": "2026-08-07T17:04:30.741Z",
  "tags": [
    "eclipse-jetty",
    "java",
    "information-disclosure"
  ]
}