{"id":"CVE-2018-17196","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-17196","generatedAt":"2026-10-29T01:53:49.550Z","title":"In Apache Kafka versions between 0.11.0.0 and 2.1.0, it is possible to manually craft a Produce request which bypasses transaction/idempotent ACL validation.","description":"In Apache Kafka versions between 0.11.0.0 and 2.1.0, it is possible to manually craft a Produce request which bypasses transaction/idempotent ACL validation. Only authenticated clients with Write permission on the respective topics are able to exploit this vulnerability. Users should upgrade to 2.1.1 or later where this vulnerability has been fixed.","published":"2019-07-11T21:15:10.000Z","lastModified":"2026-06-17T01:45:31.000Z","status":"Modified","sourceIdentifier":"security@apache.org","cvss":{"version":"3.0","score":8.8,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":[],"affected":["apache/kafka"],"epss":{"score":0.05479,"percentile":0.92723,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (5.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/109139","tags":["Third Party Advisory"],"source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f%40%3Cdev.drill.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442%40%3Cdev.drill.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/d1581fb6464c9bec8a72575c01f5097d68e2fbb230aff24622622a58%40%3Ccommits.kafka.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d2869b4d798e13cc%40%3Cissues.drill.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r66de86b9a608c1da70b2d27d765c11ec88edf6e5dd6f379ab33e072a%40%3Cuser.flink.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r8890b8f18f1de821595792b58b968a89692a255bc20d86d395270740%40%3Ccommits.druid.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/rc27d424d0bdeaf31081c3e246db3c66e882243ae3f342dfa845e0261%40%3Ccommits.kafka.apache.org%3E","source":"security@apache.org"},{"url":"https://www.mail-archive.com/dev%40kafka.apache.org/msg99277.html","source":"security@apache.org"},{"url":"https://www.oracle.com/security-alerts/cpujul2020.html","source":"security@apache.org"},{"url":"https://www.oracle.com/security-alerts/cpuoct2020.html","source":"security@apache.org"},{"url":"http://www.securityfocus.com/bid/109139","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f%40%3Cdev.drill.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442%40%3Cdev.drill.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/d1581fb6464c9bec8a72575c01f5097d68e2fbb230aff24622622a58%40%3Ccommits.kafka.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d2869b4d798e13cc%40%3Cissues.drill.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/r66de86b9a608c1da70b2d27d765c11ec88edf6e5dd6f379ab33e072a%40%3Cuser.flink.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/r8890b8f18f1de821595792b58b968a89692a255bc20d86d395270740%40%3Ccommits.druid.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/rc27d424d0bdeaf31081c3e246db3c66e882243ae3f342dfa845e0261%40%3Ccommits.kafka.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.mail-archive.com/dev%40kafka.apache.org/msg99277.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpujul2020.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpuoct2020.html","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-17196","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}