{
  "cveId": "CVE-2020-17525",
  "url": "https://patchblox.com/security/cve/CVE-2020-17525",
  "summary": "CVE-2020-17525 is fixed in 16 products on 1 platform, first by libapache2-mod-svn 1.9.7-4ubuntu1.1, released February 10, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "subversion-tools: Subversion (SVN) is a concurrent version control system which enables one or more users to collaborate in developing...",
  "description": "Subversion (SVN) is a concurrent version control system which enables one or more users to collaborate in developing and maintaining a hierarchy of files and directories while keeping a history of all changes.\n\nSecurity Fix(es):\n\n* subversion: Remote unauthenticated denial of service in mod_authz_svn (CVE-2020-17525)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2021-02-10T04:00:00Z",
  "severity": "Important",
  "cvss": 7.5,
  "epss": 0.40075,
  "epssPercentile": 0.98642,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libapache2-mod-svn",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.9.7-4ubuntu1.1",
      "fix": "libapache2-mod-svn 1.9.7-4ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libapache2-mod-svn-1.9.7-4ubuntu1.1",
      "released": "2021-02-10T04:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libapache2-mod-svn",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.13.0-3ubuntu0.2",
      "fix": "libapache2-mod-svn 1.13.0-3ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libapache2-mod-svn-1.13.0-3ubuntu0.2",
      "released": "2021-02-10T04:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libserf",
      "release": "RHEL 8",
      "fixedVersion": "0:1.3.9-9.module\u002Bel8.3.0\u002B6671\u002B2675c974",
      "fix": "RHSA-2021:0507",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-0507",
      "released": "2021-02-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libserf",
      "release": "ol 8",
      "fixedVersion": "0:1.3.9-9.module\u002Bel8.3.0\u002B7671\u002Ba87d5147",
      "fix": "ELSA-2021-0507",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-0507",
      "released": "2021-02-20T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsvn-java",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.9.7-4ubuntu1.1",
      "fix": "libsvn-java 1.9.7-4ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libsvn-java-1.9.7-4ubuntu1.1",
      "released": "2021-02-10T04:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsvn-java",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.13.0-3ubuntu0.2",
      "fix": "libsvn-java 1.13.0-3ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libsvn-java-1.13.0-3ubuntu0.2",
      "released": "2021-02-10T04:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsvn-perl",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.9.7-4ubuntu1.1",
      "fix": "libsvn-perl 1.9.7-4ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libsvn-perl-1.9.7-4ubuntu1.1",
      "released": "2021-02-10T04:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsvn-perl",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.13.0-3ubuntu0.2",
      "fix": "libsvn-perl 1.13.0-3ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libsvn-perl-1.13.0-3ubuntu0.2",
      "released": "2021-02-10T04:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsvn1",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.9.7-4ubuntu1.1",
      "fix": "libsvn1 1.9.7-4ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libsvn1-1.9.7-4ubuntu1.1",
      "released": "2021-02-10T04:00:00Z"
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    {
      "platform": "linux",
      "product": "libsvn1",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.13.0-3ubuntu0.2",
      "fix": "libsvn1 1.13.0-3ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libsvn1-1.13.0-3ubuntu0.2",
      "released": "2021-02-10T04:00:00Z"
    },
    {
      "platform": "linux",
      "product": "mod_dav_svn",
      "release": "RHEL 8",
      "fixedVersion": "0:1.10.2-4.module\u002Bel8.3.0\u002B9886\u002Bac338b6d",
      "fix": "RHSA-2021:0507",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-0507",
      "released": "2021-02-15T00:00:00Z"
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    {
      "platform": "linux",
      "product": "mod_dav_svn",
      "release": "ol 8",
      "fixedVersion": "0:1.10.2-4.module\u002Bel8.3.0\u002B9645\u002Bc2a98c55",
      "fix": "ELSA-2021-0507",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-0507",
      "released": "2021-02-20T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python-subversion",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.9.7-4ubuntu1.1",
      "fix": "python-subversion 1.9.7-4ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-python-subversion-1.9.7-4ubuntu1.1",
      "released": "2021-02-10T04:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python-subversion",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.13.0-3ubuntu0.2",
      "fix": "python-subversion 1.13.0-3ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-python-subversion-1.13.0-3ubuntu0.2",
      "released": "2021-02-10T04:00:00Z"
    },
    {
      "platform": "linux",
      "product": "ruby-svn",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.9.7-4ubuntu1.1",
      "fix": "ruby-svn 1.9.7-4ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-ruby-svn-1.9.7-4ubuntu1.1",
      "released": "2021-02-10T04:00:00Z"
    },
    {
      "platform": "linux",
      "product": "ruby-svn",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.13.0-3ubuntu0.2",
      "fix": "ruby-svn 1.13.0-3ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-ruby-svn-1.13.0-3ubuntu0.2",
      "released": "2021-02-10T04:00:00Z"
    },
    {
      "platform": "linux",
      "product": "subversion",
      "release": "RHEL 8",
      "fixedVersion": "0:1.10.2-4.module\u002Bel8.3.0\u002B9886\u002Bac338b6d",
      "fix": "RHSA-2021:0507",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-0507",
      "released": "2021-02-15T00:00:00Z"
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    {
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      "release": "Ubuntu 18.04.6 LTS (bionic)",
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      "fix": "subversion 1.9.7-4ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-subversion-1.9.7-4ubuntu1.1",
      "released": "2021-02-10T04:00:00Z"
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    {
      "platform": "linux",
      "product": "subversion",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.13.0-3ubuntu0.2",
      "fix": "subversion 1.13.0-3ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-subversion-1.13.0-3ubuntu0.2",
      "released": "2021-02-10T04:00:00Z"
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      "product": "subversion",
      "release": "ol 8",
      "fixedVersion": "0:1.10.2-4.module\u002Bel8.3.0\u002B9645\u002Bc2a98c55",
      "fix": "ELSA-2021-0507",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-0507",
      "released": "2021-02-20T00:00:00Z"
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    {
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      "released": "2021-02-20T00:00:00Z"
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    {
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      "release": "RHEL 8",
      "fixedVersion": "0:1.10.2-4.module\u002Bel8.3.0\u002B9886\u002Bac338b6d",
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    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}