VULNERABILITY INTELLIGENCE

CVE-2019-9735

CVSS score6.5 MEDIUM
EPSS probability3.71%
CISA KEVNot currently listed
Published2019-03-13
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

An issue was discovered in the iptables firewall module in OpenStack Neutron before 10.0.8, 11.x before 11.0.7, 12.x before 12.0.6, and 13.x before 13.0.3. By setting a destination port in a security group rule along with a protocol that doesn't support that option (for example, VRRP), an authenticated user may block further application of security group rules for instances from any project/tenant on the compute hosts to which it's applied. (Only deployments using the iptables security group driver are affected.)

Weakness classification

  • CWE-755: Improper Handling of Exceptional Conditions

Primary references