{"id":"UBUNTU-CVE-2020-10683","details":"dom4j before 2.0.3 and 2.1.x before 2.1.3 allows external DTDs and External Entities by default, which might enable XXE attacks. However, there is popular external documentation from OWASP showing how to enable the safe, non-default behavior in any application that uses dom4j.","modified":"2026-01-30T02:10:31.553456Z","published":"2020-05-01T19:15:00Z","related":["USN-4575-1"],"upstream":["CVE-2020-10683"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-10683"},{"type":"REPORT","url":"https://github.com/dom4j/dom4j/commit/a8228522a99a02146106672a34c104adbda5c658"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4575-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-10683"}],"affected":[{"package":{"name":"dom4j","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/dom4j@1.6.1+dfsg.3-2ubuntu1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.1+dfsg.3-2ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"libdom4j-java","binary_version":"1.6.1+dfsg.3-2ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10683.json"}},{"package":{"name":"dom4j","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/dom4j@1.6.1+dfsg.3-2ubuntu1.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.1+dfsg.3-2ubuntu1.1"}]}],"versions":["1.6.1+dfsg.3-2ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libdom4j-java","binary_version":"1.6.1+dfsg.3-2ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10683.json"}},{"package":{"name":"dom4j","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/dom4j@2.1.0-2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.1+dfsg.3-2ubuntu1","2.1.0-1","2.1.0-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libdom4j-java","binary_version":"2.1.0-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10683.json"}},{"package":{"name":"dom4j","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/dom4j@2.1.1-2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.1-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libdom4j-java","binary_version":"2.1.1-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10683.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}