{"id":"CVE-2018-8012","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-8012","generatedAt":"2026-10-29T00:57:11.495Z","title":"As a result an arbitrary end point could join the cluster and begin propagating counterfeit changes to the leader.","description":"No authentication/authorization is enforced when a server attempts to join a quorum in Apache ZooKeeper before 3.4.10, and 3.5.0-alpha through 3.5.3-beta. As a result an arbitrary end point could join the cluster and begin propagating counterfeit changes to the leader.","published":"2018-05-21T19:29:00.000Z","lastModified":"2026-06-17T02:04:05.000Z","status":"Modified","sourceIdentifier":"security@apache.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"cwe":["CWE-862"],"affected":["apache/zookeeper","debian/debian linux","oracle/goldengate stream analytics"],"epss":{"score":0.08469,"percentile":0.94994,"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 (8.47%). 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/104253","tags":["Third Party Advisory","VDB Entry"],"source":"security@apache.org"},{"url":"http://www.securitytracker.com/id/1040948","tags":["Third Party Advisory","VDB Entry"],"source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272%40%3Cissues.activemq.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/bcce5a9c532b386c68dab2f6b3ce8b0cc9b950ec551766e76391caa3%40%3Ccommits.nifi.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/c75147028c1c79bdebd4f8fa5db2b77da85de2b05ecc0d54d708b393%40%3Cdev.zookeeper.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r73daf1fc5d85677d9a854707e1908d14e174b7bbb0c603709c0ab33f%40%3Coak-commits.jackrabbit.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r8f0d920805af93033c488af89104e2d682662bacfb8406db865d5e14%40%3Cdev.jackrabbit.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/rc5bc4ddb0deabf8cfb69378cecee56fcdc76929bea9e6373cb863870%40%3Cdev.jackrabbit.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/rca37935d661f4689cb4119f1b3b224413b22be161b678e6e6ce0c69b%40%3Ccommits.nifi.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/re3a4048e9515d4afea416df907a612ed384a16c57cf99e97ee4a12f2%40%3Cdev.jackrabbit.apache.org%3E","source":"security@apache.org"},{"url":"https://www.debian.org/security/2018/dsa-4214","tags":["Third Party Advisory"],"source":"security@apache.org"},{"url":"https://www.oracle.com/security-alerts/cpujul2020.html","tags":["Patch","Third Party Advisory"],"source":"security@apache.org"},{"url":"http://www.securityfocus.com/bid/104253","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1040948","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272%40%3Cissues.activemq.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/bcce5a9c532b386c68dab2f6b3ce8b0cc9b950ec551766e76391caa3%40%3Ccommits.nifi.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/c75147028c1c79bdebd4f8fa5db2b77da85de2b05ecc0d54d708b393%40%3Cdev.zookeeper.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/r73daf1fc5d85677d9a854707e1908d14e174b7bbb0c603709c0ab33f%40%3Coak-commits.jackrabbit.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/r8f0d920805af93033c488af89104e2d682662bacfb8406db865d5e14%40%3Cdev.jackrabbit.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/rc5bc4ddb0deabf8cfb69378cecee56fcdc76929bea9e6373cb863870%40%3Cdev.jackrabbit.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/rca37935d661f4689cb4119f1b3b224413b22be161b678e6e6ce0c69b%40%3Ccommits.nifi.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/re3a4048e9515d4afea416df907a612ed384a16c57cf99e97ee4a12f2%40%3Cdev.jackrabbit.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2018/dsa-4214","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpujul2020.html","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-8012","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."}