CVE-2018-14635
OpensStack Neutron Denial of Service Vulnerability
6.5
MEDIUM
CVSS 3.1
EPSS 0.31%
Description
When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. A potential denial of service could occur if an IP address, conflicting with existing guests or routers, is then assigned from outside of the allowed allocation pool. Versions of openstack-neutron before 13.0.0.0b2, 12.0.3 and 11.0.5 are vulnerable.
How to fix CVE-2018-14635
To remediate CVE-2018-14635, upgrade the affected package to a fixed version below.
- —upgrade to 2:13.0.0-1 or later
- —upgrade to 13.0.0.0b2 or later
- —upgrade to 11.0.6 or later
Is CVE-2018-14635 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2:13.0.0-1
- >= 13.0.0.0b1, < 13.0.0.0b2
- from 0, < 11.0.6, >= 12.0.0, < 12.0.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |