CVE-2017-7543
Estado: ModificadaMedia (5.9)—
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.
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- Puntuación base: 5.9
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.84%
- Percentil entre todas las CVEs puntuadas: 78
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (2)
CWE
- CWE-362
- CWE-362
Referencias
- http://www.securityfocus.com/bid/100237
- https://access.redhat.com/errata/RHSA-2017:2447
- https://access.redhat.com/errata/RHSA-2017:2448
- https://access.redhat.com/errata/RHSA-2017:2449
- https://access.redhat.com/errata/RHSA-2017:2450
- https://access.redhat.com/errata/RHSA-2017:2451
- https://access.redhat.com/errata/RHSA-2017:2452
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7543
- http://www.securityfocus.com/bid/100237
- https://access.redhat.com/errata/RHSA-2017:2447
- https://access.redhat.com/errata/RHSA-2017:2448
- https://access.redhat.com/errata/RHSA-2017:2449
- https://access.redhat.com/errata/RHSA-2017:2450
- https://access.redhat.com/errata/RHSA-2017:2451
- https://access.redhat.com/errata/RHSA-2017:2452
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7543
JSON original (NVD)
Mostrar
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