How severe is CVE-2014-0187?

CVE-2014-0187 has a CVSS 2.0 base score of 9.0, rated critical severity.

Is CVE-2014-0187 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-0187?

CVE-2014-0187 primarily affects Openstack Neutron. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-0187?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2014-0187 published?

CVE-2014-0187 was published on 2014-04-28 and last updated on 2026-06-17.

CVE-2014-0187

CVE-2014-0187 is a critical-severity vulnerability in Openstack Neutron with a CVSS 2.0 base score of 9.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Critical (CVSS 2.0 base score 9.0)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Openstack Neutron
Published: 2014-04-28
Last modified: 2026-06-17

Description

The openvswitch-agent process in OpenStack Neutron 2013.1 before 2013.2.4 and 2014.1 before 2014.1.1 allows remote authenticated users to bypass security group restrictions via an invalid CIDR in a security group rule, which prevents further rules from being applied.

Frequently asked questions

What is CVE-2014-0187?: The openvswitch-agent process in OpenStack Neutron 2013.1 before 2013.2.4 and 2014.1 before 2014.1.1 allows remote authenticated users to bypass security group restrictions via an invalid CIDR in a security group rule, which prevents further rules from being applied.
How severe is CVE-2014-0187?: CVE-2014-0187 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2014-0187 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-0187?: CVE-2014-0187 primarily affects Openstack Neutron. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-0187?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2014-0187 published?: CVE-2014-0187 was published on 2014-04-28 and last updated on 2026-06-17.

References

Affected products (14)

cpe:2.3:a:openstack:neutron:2013.1:*:*:*:*:*:*:*
cpe:2.3:a:openstack:neutron:2013.1.1:*:*:*:*:*:*:*
cpe:2.3:a:openstack:neutron:2013.1.2:*:*:*:*:*:*:*
cpe:2.3:a:openstack:neutron:2013.1.3:*:*:*:*:*:*:*
cpe:2.3:a:openstack:neutron:2013.1.4:*:*:*:*:*:*:*
cpe:2.3:a:openstack:neutron:2013.1.5:*:*:*:*:*:*:*
cpe:2.3:a:openstack:neutron:2013.2:*:*:*:*:*:*:*
cpe:2.3:a:openstack:neutron:2013.2.1:*:*:*:*:*:*:*
cpe:2.3:a:openstack:neutron:2013.2.2:*:*:*:*:*:*:*
cpe:2.3:a:openstack:neutron:2013.2.3:*:*:*:*:*:*:*
cpe:2.3:a:openstack:neutron:2014.1:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*

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