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CVE-2014-0187

30
FAUCET Score

CVE-2014-0187 describes a critical vulnerability in the openvswitch-agent process of OpenStack Neutron versions 2013.1 before 2013.2.4 and 2014.1 before 2014.1.1. This flaw allows authenticated remote attackers to bypass security group restrictions by providing an invalid CIDR in a security group rule, which subsequently prevents legitimate rules from being enforced. With a CVSS score of 9.0 (Critical), this vulnerability has a low attack complexity and can lead to complete compromise of confidentiality, integrity, and availability (AV:N/AC:L/Au:S/C:C/I:C/A:C). Despite its severity, there is no known active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2013.1CPE matchmatch criteria
cpe:2.3:a:openstack:neutron:2013.1:*:*:*:*:*:*:*
2013.1.1CPE matchmatch criteria
cpe:2.3:a:openstack:neutron:2013.1.1:*:*:*:*:*:*:*
2013.1.2CPE matchmatch criteria
cpe:2.3:a:openstack:neutron:2013.1.2:*:*:*:*:*:*:*
2013.1.3CPE matchmatch criteria
cpe:2.3:a:openstack:neutron:2013.1.3:*:*:*:*:*:*:*
2013.1.4CPE matchmatch criteria
cpe:2.3:a:openstack:neutron:2013.1.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.0HIGH

AV:N/AC:L/Au:S/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.94%
Probability of exploitation in next 30 days
EPSS Percentile
85.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0294 is in the 84th percentile among its peer group of 17,808 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: OpenStack 4 for RHEL 6Fixed in: openstack-neutron-0:2013.2.3-14.el6ost
View patch

Vendor Advisories (1)

redhatCVE-2014-0187Moderate

openstack-neutron: security groups bypass through invalid CIDR

Apr 22, 2014

References

lists.opensuse.org / opensuse-updates/2014-08/msg00035.html
bugs.launchpad.net / neutron/+bug/1300785
Vendor Advisory
secunia.com / advisories/59533
openwall.com / lists/oss-security/2014/04/22/8
ubuntu.com / usn/USN-2255-1