{"cve":{"cve_id":"CVE-2021-44145","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.01701,"epss_percentile":0.74226,"epss_as_of":"2026-06-23","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.","published_at":"2021-12-17T08:50:09Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["https://nifi.apache.org/security.html#1.15.1-vulnerabilities","http://www.openwall.com/lists/oss-security/2021/12/17/1"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:16:23.727627Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"apache-software-foundation","vendor_name":"Apache Software Foundation","product_slug":"apache-nifi","product_name":"Apache NiFi","version_start":"Apache NiFi","version_start_inclusive":true,"version_end":"1.15.0","version_end_inclusive":true,"cpe23_uri":"cve5:apache-software-foundation:apache-nifi:Apache NiFi:1.15.0"}],"exploit_refs":[],"news":[],"references":[{"url":"https://nifi.apache.org/security.html#1.15.1-vulnerabilities","source_type":"MISC","tags":[]},{"url":"http://www.openwall.com/lists/oss-security/2021/12/17/1","source_type":"MAILING_LIST","tags":["mailing-list"]}],"timeline":[{"type":"published","at":"2021-12-17T08:50:09Z","label":"CVE published","source":null}]}