cve-2020-17518

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        "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-17518.json"
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    ],
    "title": "apache-flink: directory traversal attack allows remote file writing through the REST API",
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      "id": "CVE-2020-17518",
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  "vulnerabilities": [
    {
      "cve": "CVE-2020-17518",
      "cwe": {
        "id": "CWE-22",
        "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"
      },
      "discovery_date": "2021-01-05T00:00:00+00:00",
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        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1913312"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Apache Flink 1.5.1 introduced a REST handler that allows you to write an uploaded file to an arbitrary location on the local file system, through a maliciously modified HTTP HEADER. The files can be written to any location accessible by Flink 1.5.1. All users should upgrade to Flink 1.11.3 or 1.12.0 if their Flink instance(s) are exposed. The issue was fixed in commit a5264a6f41524afe8ceadf1d8ddc8c80f323ebc4 from apache/flink:master.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "apache-flink: directory traversal attack allows remote file writing through the REST API",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-17518"
        },
        {
          "category": "external",
          "summary": "RHBZ#1913312",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1913312"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-17518",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-17518"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-17518",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-17518"
        }
      ],
      "release_date": "2021-01-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-08-11T18:21:58+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nInstallation instructions are available from the Fuse 7.9.0 product\ndocumentation page:\nhttps://access.redhat.com/documentation/en-us/red_hat_fuse/7.9/",
          "product_ids": [
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          "url": "https://access.redhat.com/errata/RHSA-2021:3140"
        },
        {
          "category": "vendor_fix",
          "date": "2021-08-18T09:13:12+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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          "url": "https://access.redhat.com/errata/RHSA-2021:3205"
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          "date": "2021-08-18T09:54:27+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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          "url": "https://access.redhat.com/errata/RHSA-2021:3207"
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
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          "category": "impact",
          "details": "Moderate",
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      "title": "apache-flink: directory traversal attack allows remote file writing through the REST API"
    }
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}