CVE-2015-3221

Name: CVE-2015-3221
Creator: NVD / NIST
Published: 2015-08-26T19:59:03.097+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 11.34%

Last modified Jun 17, 2026

CVE-2015-3221 is a vulnerability of currently unknown severity. OpenStack Neutron before 2014.2.4 (juno) and 2015.1.x before 2015.1.1 (kilo), when using the IPTables firewall driver, allows remote authenticated users to cause a denial of service (L2 agent crash) by adding an address pair that is rejected by the ipset tool.. EPSS estimates a 11.34% chance of exploitation in the next 30 days.

Description

OpenStack Neutron before 2014.2.4 (juno) and 2015.1.x before 2015.1.1 (kilo), when using the IPTables firewall driver, allows remote authenticated users to cause a denial of service (L2 agent crash) by adding an address pair that is rejected by the ipset tool.

Metrics

EPSS Probability

11.34%

95.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Openstack	Neutron	>= 2014.2, < 2014.2.4
Openstack	Neutron	>= 2015.1.0, < 2015.1.1

References

http://lists.openstack.org/pipermail/openstack-announce/2015-June/000377.htmlVendor Advisory
http://rhn.redhat.com/errata/RHSA-2015-1680.htmlVendor Advisory
http://www.securityfocus.com/bid/75368Third Party Advisory, VDB Entry
https://bugs.launchpad.net/neutron/+bug/1461054Third Party Advisory
http://lists.openstack.org/pipermail/openstack-announce/2015-June/000377.htmlVendor Advisory
http://rhn.redhat.com/errata/RHSA-2015-1680.htmlVendor Advisory
http://www.securityfocus.com/bid/75368Third Party Advisory, VDB Entry
https://bugs.launchpad.net/neutron/+bug/1461054Third Party Advisory

Timeline

Published: Aug 26, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-3221?

How severe is CVE-2015-3221?

Severity scoring for CVE-2015-3221 is pending analysis. The EPSS model estimates a 11.34% probability of exploitation in the next 30 days.

How do I fix CVE-2015-3221?

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-2015-3221?

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

Scan your code now

Source: NVD / NIST