{"id":"CVE-2017-5636","aliases":["EUVD-2022-4425","GHSA-jrcc-7jf5-3pxg"],"status":"published","title":"Injection in Apache NiFi","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.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03599,"percentile":0.89533,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-74"],"published":"2017-10-19T20:00:00Z","modified":"2026-10-24T10:30:42Z","fixes":[{"ecosystem":"Maven","package":"org.apache.nifi:nifi","fixed_in":["0.7.2","1.1.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.nifi:nifi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.2"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.nifi:nifi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"fixed":"1.1.2"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.nifi:nifi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.2"}]}],"versions":["0.0.1-incubating","0.0.2-incubating","0.1.0-incubating","0.2.0-incubating","0.2.1","0.3.0","0.4.0","0.4.1","0.5.0","0.5.1","0.6.0","0.6.1","0.7.0","0.7.1"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.nifi:nifi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"fixed":"1.1.2"}]}],"versions":["1.0.0","1.0.1","1.1.0","1.1.1"]}],"products":[{"vendor":"apache","product":"nifi"},{"vendor":"apache software foundation","product":"apache nifi"}],"references":[{"url":"http://www.securityfocus.com/bid/96731","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory","web"]},{"url":"https://nifi.apache.org/security.html#CVE-2017-5636","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Mitigation","Vendor Advisory","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-5636","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-jrcc-7jf5-3pxg"}],"sources":{"cve":[{"id":"CVE-2017-5636","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.","status":"published","published":"2017-10-19T20:00:00Z","modified":"2024-08-05T15:04:15.356Z","updated_at":"2026-11-02T14:33:12.942409Z"}],"euvd":[{"id":"EUVD-2022-4425","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.","status":"published","published":"2017-10-19T20:00:00Z","modified":"2024-08-05T15:04:15Z","updated_at":"2026-11-03T02:39:14.545495Z"}],"ghsa":[{"id":"GHSA-jrcc-7jf5-3pxg","title":"Injection in Apache NiFi","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.","status":"published","published":"2022-05-17T00:26:04Z","modified":"2023-01-30T05:00:50Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:36:26.667347Z"}],"nvd":[{"id":"CVE-2017-5636","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.","status":"published","published":"2017-10-19T20:29:00.297Z","modified":"2026-06-17T01:20:53.7Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:04:03.426231Z"}],"osv":[{"id":"CVE-2017-5636","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.","status":"published","published":"2017-10-19T20:29:00.297Z","modified":"2026-10-24T10:30:42.684501533Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:06.029968Z"},{"id":"GHSA-jrcc-7jf5-3pxg","title":"Injection in Apache NiFi","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.","status":"published","published":"2022-05-17T00:26:04Z","modified":"2023-11-08T03:59:22.184834Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T15:46:50.687609Z"}]}}