CVE-2019-10876
Published:April 05, 2019
Updated:September 21, 2026
An issue was discovered in OpenStack Neutron 11.x before 11.0.7, 12.x before 12.0.6, and 13.x before 13.0.3. By creating two security groups with separate/overlapping port ranges, an authenticated user may prevent Neutron from being able to configure networks on any compute nodes where those security groups are present, because of an Open vSwitch (OVS) firewall KeyError. All Neutron deployments utilizing neutron-openvswitch-agent are affected.
Affected Packages
neutron (PYTHON):
Affected version(s) >=12.0.0 <12.0.6Fix Suggestion:
Update to version 12.0.6neutron (PYTHON):
Affected version(s) >=11.0.3 <11.0.7Fix Suggestion:
Update to version 11.0.7neutron (PYTHON):
Affected version(s) >=13.0.0 <13.0.3Fix Suggestion:
Update to version 13.0.3Related Resources (11)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
EPSS
Base Score:
1.58