{"id":"CVE-2021-44145","aliases":["BIT-nifi-2021-44145","GHSA-rq96-qhc5-vm4r"],"url":"https://o3.security/vulnerability/CVE-2021-44145","summary":"Exposure of Sensitive Information to an Unauthorized Actor in Apache NiFi","details":"In the TransformXML processor of Apache NiFi before 1.15.1 an authenticated user could configure an XSLT file which, if it included malicious external entity calls, may reveal sensitive information.","published":"2021-12-17T09:15:07.117Z","modified":"2026-07-09T00:37:51.688430Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.nifi:nifi","fixedVersion":"1.15.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/12/17/1"},{"type":"ADVISORY","url":"https://nifi.apache.org/security.html#1.15.1-vulnerabilities"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:37:51.688430Z"}}