{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-28T06:37:24.059","vulnerabilities":[{"cve":{"id":"CVE-2017-7543","sourceIdentifier":"secalert@redhat.com","published":"2018-07-26T14:29:00.483","lastModified":"2024-11-21T03:32:07.890","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A race-condition flaw was discovered in openstack-neutron before 7.2.0-12.1, 8.x before 8.3.0-11.1, 9.x before 9.3.1-2.1, and 10.x before 10.0.2-1.1, where, following a minor overcloud update, neutron security groups were disabled. Specifically, the following were reset to 0: net.bridge.bridge-nf-call-ip6tables and net.bridge.bridge-nf-call-iptables. The race was only triggered by an update, at which point an attacker could access exposed tenant VMs and network resources."},{"lang":"es","value":"Se ha descubierto una condición de carrera en openstack-neutron en versiones anteriores a la 7.2.0-12.1, 8.x anteriores a la 8.3.0-11.1, 9.x anteriores a la 9.3.1-2.1 y 10.x anteriores a la 10.0.2-1.1, cuando, siguiendo a una actualización overcloud menor, los grupos de seguridad neutron estaban deshabilitados. De manera específica, lo siguiente se ha reiniciado a 0: net.bridge.bridge-nf-call-ip6tables y net.bridge.bridge-nf-call-iptables. La carrera solo se desencadenó con una actualización, en cuyo momento un atacante podía acceder a las máquinas virtuales de los inquilinos y a los recursos de red expuestos."}],"metrics":{"cvssMetricV30":[{"source":"secalert@redhat.com","type":"Secondary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":1.6,"impactScore":3.6},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","baseScore":5.9,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.2,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:N/A:N","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-362"}]},{"source":"nvd@nist.gov","type":"Secondary","description":[{"lang":"en","value":"CWE-362"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0.0","versionEndExcluding":"7.2.0-12.1","matchCriteriaId":"535B14F3-B477-4410-82A7-4B05601B99EC"},{"vulnerable":true,"criteria":"cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*","versionStartIncluding":"8.0.0","versionEndExcluding":"8.3.0-11.1","matchCriteriaId":"0743F5FE-B914-4C56-BBEA-421DBF312226"},{"vulnerable":true,"criteria":"cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*","versionStartIncluding":"9.0.0","versionEndExcluding":"9.3.1-2.1","matchCriteriaId":"888D9FEF-5818-42A8-B419-0338CAA7437D"},{"vulnerable":true,"criteria":"cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0.0","versionEndExcluding":"10.0.2-1.1","matchCriteriaId":"8BF58FC3-DFD1-4620-82D2-6FD1441FCD24"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:*","matchCriteriaId":"31EC146C-A6F6-4C0D-AF87-685286262DAA"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*","matchCriteriaId":"142AD0DD-4CF3-4D74-9442-459CE3347E3A"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:redhat:openstack:7.0:*:*:*:*:*:*:*","matchCriteriaId":"9DAA72A4-AC7D-4544-89D4-5B07961D5A95"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*","matchCriteriaId":"142AD0DD-4CF3-4D74-9442-459CE3347E3A"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:redhat:openstack:8:*:*:*:*:*:*:*","matchCriteriaId":"E8B8C725-34CF-4340-BE7B-37E58CF706D6"},{"vulnerable":true,"criteria":"cpe:2.3:a:redhat:openstack:9:*:*:*:*:*:*:*","matchCriteriaId":"F40C26BE-56CB-4022-A1D8-3CA0A8F87F4B"},{"vulnerable":true,"criteria":"cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*","matchCriteriaId":"E722FEF7-58A6-47AD-B1D0-DB0B71B0C7AA"},{"vulnerable":true,"criteria":"cpe:2.3:a:redhat:openstack:11:*:*:*:*:*:*:*","matchCriteriaId":"4E9AF77C-5D49-4842-9817-AD710A919073"}]}]}],"references":[{"url":"http://www.securityfocus.com/bid/100237","source":"secalert@redhat.com","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2447","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2448","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2449","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2450","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2451","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2452","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7543","source":"secalert@redhat.com","tags":["Issue Tracking","Mitigation","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/100237","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2447","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2448","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2449","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2450","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2451","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2452","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7543","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Mitigation","Third Party Advisory"]}]}}]}