CVE-2018-14635

Name: CVE-2018-14635
Creator: NVD / NIST
Published: 2018-09-10T19:29:00.313+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.53%

Last modified Jun 17, 2026

CVE-2018-14635 is a vulnerability of currently unknown severity. 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. EPSS estimates a 2.53% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.53%

82.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Redhat	Openstack	10	—
Redhat	Openstack	12	—
Redhat	Openstack	13	—
Openstack	Neutron	>= 11.0.0, <= 11.0.5	—
Openstack	Neutron	>= 12.0.0, <= 12.0.3	—
Openstack	Neutron	13.0.0.0	B1

References

https://access.redhat.com/errata/RHSA-2018:2710Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2715Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2721Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3792Third Party Advisory
https://bugs.launchpad.net/neutron/+bug/1757482Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14635Issue Tracking, Patch, Third Party Advisory
https://git.openstack.org/cgit/openstack/neutron/commit/?id=54aa6e81cb17b33ce4d5d469cc11dec2869c762dPatch, Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:2710Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2715Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2721Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3792Third Party Advisory
https://bugs.launchpad.net/neutron/+bug/1757482Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14635Issue Tracking, Patch, Third Party Advisory
https://git.openstack.org/cgit/openstack/neutron/commit/?id=54aa6e81cb17b33ce4d5d469cc11dec2869c762dPatch, Vendor Advisory

Timeline

Published: Sep 10, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-14635?

How severe is CVE-2018-14635?

Severity scoring for CVE-2018-14635 is pending analysis. The EPSS model estimates a 2.53% probability of exploitation in the next 30 days.

How do I fix CVE-2018-14635?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-14635?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST