{"id":"CVE-2017-15703","aliases":["GHSA-xwx6-vmj4-5rv8"],"url":"https://o3.security/vulnerability/CVE-2017-15703","summary":"Denial of service via deserialization attack in nifi","details":"Any authenticated user (valid client certificate but without ACL permissions) could upload a template which contained malicious code and caused a denial of service via Java deserialization attack. The fix to properly handle Java deserialization was applied on the Apache NiFi 1.4.0 release. Users running a prior 1.x release should upgrade to the appropriate release.","published":"2018-01-25T21:29:00.207Z","modified":"2026-07-08T11:49:17.593748Z","cvss":{"score":5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.nifi:nifi-framework-cluster-protocol","fixedVersion":"1.5.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://nifi.apache.org/security.html#CVE-2017-15703"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T11:49:17.593748Z"}}