{"id":"CVE-2017-16239","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-16239","generatedAt":"2026-10-28T19:47:38.314Z","title":"In OpenStack Nova through 14.0.9, 15.x through 15.0.7, and 16.x through 16.0.2, by rebuilding an instance, an authenticated user may be able to circumvent the Filter Scheduler bypassing imposed filters (for example, the ImagePropertiesFilter or the…","description":"In OpenStack Nova through 14.0.9, 15.x through 15.0.7, and 16.x through 16.0.2, by rebuilding an instance, an authenticated user may be able to circumvent the Filter Scheduler bypassing imposed filters (for example, the ImagePropertiesFilter or the IsolatedHostsFilter). All setups using Nova Filter Scheduler are affected. Because of the regression described in Launchpad Bug #1732947, the preferred fix is a 14.x version after 14.0.10, a 15.x version after 15.0.8, or a 16.x version after 16.0.3.","published":"2017-11-14T17:29:00.000Z","lastModified":"2026-06-17T01:09:02.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},"cwe":[],"affected":["openstack/nova"],"epss":{"score":0.01421,"percentile":0.72708,"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":"low","text":"Lower severity and a low EPSS score (1.42%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/101950","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:0241","source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:0314","source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:0369","source":"cve@mitre.org"},{"url":"https://launchpad.net/bugs/1664931","tags":["Issue Tracking"],"source":"cve@mitre.org"},{"url":"https://security.openstack.org/ossa/OSSA-2017-005.html","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.debian.org/security/2017/dsa-4056","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/101950","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:0241","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:0314","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:0369","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://launchpad.net/bugs/1664931","tags":["Issue Tracking"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.openstack.org/ossa/OSSA-2017-005.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2017/dsa-4056","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-16239","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."}