{"cve":"CVE-2021-44145","nvd":{"published":"2021-12-17T09:15:07.117","modified":"2026-06-17T04:11:57.113","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-200"],"references":["http://www.openwall.com/lists/oss-security/2021/12/17/1","https://nifi.apache.org/security.html#1.15.1-vulnerabilities","http://www.openwall.com/lists/oss-security/2021/12/17/1","https://nifi.apache.org/security.html#1.15.1-vulnerabilities"],"products":["apache:nifi"],"source":"nvd","synced_at":"2026-10-19T21:25:41.256909649+00:00"},"epss":{"cve":"CVE-2021-44145","score":0.01757,"percentile":0.7796,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-rq96-qhc5-vm4r","url":"https://osv.dev/vulnerability/GHSA-rq96-qhc5-vm4r","summary":"Exposure of Sensitive Information to an Unauthorized Actor in Apache NiFi","modified":"2025-09-15T07:42:02.238708Z","packages":[{"ecosystem":"Maven","name":"org.apache.nifi:nifi","purl":"pkg:maven/org.apache.nifi/nifi","ranges":["<1.15.1"],"fixed":["1.15.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}