{"cve":{"cve_id":"CVE-2017-5636","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":0.03599,"epss_percentile":0.87967,"epss_as_of":"2026-06-23","description":"In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, the proxy chain serialization/deserialization is vulnerable to an injection attack where a carefully crafted username could impersonate another user and gain their permissions on a replicated request to another node.","published_at":"2017-10-19T20:00:00Z","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":["http://www.securityfocus.com/bid/96731","https://nifi.apache.org/security.html#CVE-2017-5636"],"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":"2026-06-28T23:10:06.986172Z"},"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":"0.7.0","version_start_inclusive":true,"version_end":"0.7.0","version_end_inclusive":true,"cpe23_uri":"cve5:apache-software-foundation:apache-nifi:0.7.0:0.7.0"},{"vendor_slug":"apache-software-foundation","vendor_name":"Apache Software Foundation","product_slug":"apache-nifi","product_name":"Apache NiFi","version_start":"0.7.1","version_start_inclusive":true,"version_end":"0.7.1","version_end_inclusive":true,"cpe23_uri":"cve5:apache-software-foundation:apache-nifi:0.7.1:0.7.1"},{"vendor_slug":"apache-software-foundation","vendor_name":"Apache Software Foundation","product_slug":"apache-nifi","product_name":"Apache NiFi","version_start":"1.1.0","version_start_inclusive":true,"version_end":"1.1.0","version_end_inclusive":true,"cpe23_uri":"cve5:apache-software-foundation:apache-nifi:1.1.0:1.1.0"},{"vendor_slug":"apache-software-foundation","vendor_name":"Apache Software Foundation","product_slug":"apache-nifi","product_name":"Apache NiFi","version_start":"1.1.1","version_start_inclusive":true,"version_end":"1.1.1","version_end_inclusive":true,"cpe23_uri":"cve5:apache-software-foundation:apache-nifi:1.1.1:1.1.1"}],"exploit_refs":[],"news":[],"references":[{"url":"http://www.securityfocus.com/bid/96731","source_type":"MISC","tags":[]},{"url":"https://nifi.apache.org/security.html#CVE-2017-5636","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2017-10-19T20:00:00Z","label":"CVE published","source":null}]}